Proportion Calculator
Solve proportion problems and find missing values with step-by-step solutions.
How to Solve Proportions
In a proportion a : b = c : d:
- Cross multiply: a × d = b × c
- Solve for the missing value
Example:
- 2 : 3 = x : 6
- 2 × 6 = 3 × x
- 12 = 3x
- x = 4