Home / 15,145.38-22,717.94-4,757.13

Finding the Fourth Proportional to 15,145.38, 22,717.94 and 4,757.13

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Solution

The fourth proportional to 15,145.38, 22,717.94 and 4,757.13 is: 7,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.38 : 22,717.94 = 4,757.13 : x
  2. Step 2: Convert to fraction form
    15,145.38/22,717.94 = 4,757.13/x
  3. Step 3: Cross multiply
    15,145.38x = 22,717.94 × 4,757.13
  4. Step 4: Simplify right side
    15,145.38x = 108,072,170.13
  5. Step 5: Solve for x
    x = 108,072,170.13/15,145.38
  6. Step 6: Final answer
    x = 7,135.65

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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.