Home / 15,034.38-22,545.03-7,139.17

Finding the Fourth Proportional to 15,034.38, 22,545.03 and 7,139.17

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Solution

The fourth proportional to 15,034.38, 22,545.03 and 7,139.17 is: 10,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.38 : 22,545.03 = 7,139.17 : x
  2. Step 2: Convert to fraction form
    15,034.38/22,545.03 = 7,139.17/x
  3. Step 3: Cross multiply
    15,034.38x = 22,545.03 × 7,139.17
  4. Step 4: Simplify right side
    15,034.38x = 160,952,801.83
  5. Step 5: Solve for x
    x = 160,952,801.83/15,034.38
  6. Step 6: Final answer
    x = 10,705.65

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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.