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Finding the Fourth Proportional to 16,002.76, 22,082.74 and 8,929.04

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Solution

The fourth proportional to 16,002.76, 22,082.74 and 8,929.04 is: 12,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.76 : 22,082.74 = 8,929.04 : x
  2. Step 2: Convert to fraction form
    16,002.76/22,082.74 = 8,929.04/x
  3. Step 3: Cross multiply
    16,002.76x = 22,082.74 × 8,929.04
  4. Step 4: Simplify right side
    16,002.76x = 197,177,668.77
  5. Step 5: Solve for x
    x = 197,177,668.77/16,002.76
  6. Step 6: Final answer
    x = 12,321.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.