Home / 14,747.20-22,120.24-5,979.76

Finding the Fourth Proportional to 14,747.20, 22,120.24 and 5,979.76

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Solution

The fourth proportional to 14,747.20, 22,120.24 and 5,979.76 is: 8,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.20 : 22,120.24 = 5,979.76 : x
  2. Step 2: Convert to fraction form
    14,747.20/22,120.24 = 5,979.76/x
  3. Step 3: Cross multiply
    14,747.20x = 22,120.24 × 5,979.76
  4. Step 4: Simplify right side
    14,747.20x = 132,273,726.34
  5. Step 5: Solve for x
    x = 132,273,726.34/14,747.20
  6. Step 6: Final answer
    x = 8,969.41

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1.5x scale

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.