Finding the Fourth Proportional to 13,716.24, 20,575.07 and 4,356.99
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Solution
The fourth proportional to 13,716.24, 20,575.07 and 4,356.99 is: 6,535.71
Step by Step Solution
- Step 1: Write the proportion equation
13,716.24 : 20,575.07 = 4,356.99 : x - Step 2: Convert to fraction form
13,716.24/20,575.07 = 4,356.99/x - Step 3: Cross multiply
13,716.24x = 20,575.07 × 4,356.99 - Step 4: Simplify right side
13,716.24x = 89,645,374.24 - Step 5: Solve for x
x = 89,645,374.24/13,716.24 - Step 6: Final answer
x = 6,535.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.