Home / 15,209.38-22,817.28-5,721.76

Finding the Fourth Proportional to 15,209.38, 22,817.28 and 5,721.76

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Solution

The fourth proportional to 15,209.38, 22,817.28 and 5,721.76 is: 8,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.38 : 22,817.28 = 5,721.76 : x
  2. Step 2: Convert to fraction form
    15,209.38/22,817.28 = 5,721.76/x
  3. Step 3: Cross multiply
    15,209.38x = 22,817.28 × 5,721.76
  4. Step 4: Simplify right side
    15,209.38x = 130,555,000.01
  5. Step 5: Solve for x
    x = 130,555,000.01/15,209.38
  6. Step 6: Final answer
    x = 8,583.85

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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.