Home / 14,758.92-22,147.50-8,531.28

Finding the Fourth Proportional to 14,758.92, 22,147.50 and 8,531.28

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Solution

The fourth proportional to 14,758.92, 22,147.50 and 8,531.28 is: 12,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.92 : 22,147.50 = 8,531.28 : x
  2. Step 2: Convert to fraction form
    14,758.92/22,147.50 = 8,531.28/x
  3. Step 3: Cross multiply
    14,758.92x = 22,147.50 × 8,531.28
  4. Step 4: Simplify right side
    14,758.92x = 188,946,523.80
  5. Step 5: Solve for x
    x = 188,946,523.80/14,758.92
  6. Step 6: Final answer
    x = 12,802.19

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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.