Home / 9,929.20-14,882.92-4,084.24

Finding the Fourth Proportional to 9,929.20, 14,882.92 and 4,084.24

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Solution

The fourth proportional to 9,929.20, 14,882.92 and 4,084.24 is: 6,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.20 : 14,882.92 = 4,084.24 : x
  2. Step 2: Convert to fraction form
    9,929.20/14,882.92 = 4,084.24/x
  3. Step 3: Cross multiply
    9,929.20x = 14,882.92 × 4,084.24
  4. Step 4: Simplify right side
    9,929.20x = 60,785,417.18
  5. Step 5: Solve for x
    x = 60,785,417.18/9,929.20
  6. Step 6: Final answer
    x = 6,121.88

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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.