Proportion Solver
Solve proportions of the form a/b = c/d. Enter any three values and find the missing fourth value using cross-multiplication with step-by-step formula display.
How to Use Proportion Solver
The Proportion Solver finds the missing value in a proportion a/b = c/d using cross-multiplication. Enter any three of the four values and leave one empty. The tool calculates the unknown value and shows the step-by-step formula used. Perfect for math homework, cooking conversions, scale calculations, and any ratio problem.
Step-by-Step Instructions
- Enter three of the four values (a, b, c, d)
- Leave the unknown value empty
- Click Solve Proportion to calculate
- View the result with the cross-multiplication formula
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