Finding the Fourth Proportional to 13,057.28, 19,585.80 and 3,196.68
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Solution
The fourth proportional to 13,057.28, 19,585.80 and 3,196.68 is: 4,794.99
Step by Step Solution
- Step 1: Write the proportion equation
13,057.28 : 19,585.80 = 3,196.68 : x - Step 2: Convert to fraction form
13,057.28/19,585.80 = 3,196.68/x - Step 3: Cross multiply
13,057.28x = 19,585.80 × 3,196.68 - Step 4: Simplify right side
13,057.28x = 62,609,535.14 - Step 5: Solve for x
x = 62,609,535.14/13,057.28 - Step 6: Final answer
x = 4,794.99
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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.