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Finding the Fourth Proportional to 22,650.99, 33,963.02 and 8,612.04

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Solution

The fourth proportional to 22,650.99, 33,963.02 and 8,612.04 is: 12,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.99 : 33,963.02 = 8,612.04 : x
  2. Step 2: Convert to fraction form
    22,650.99/33,963.02 = 8,612.04/x
  3. Step 3: Cross multiply
    22,650.99x = 33,963.02 × 8,612.04
  4. Step 4: Simplify right side
    22,650.99x = 292,491,078.71
  5. Step 5: Solve for x
    x = 292,491,078.71/22,650.99
  6. Step 6: Final answer
    x = 12,912.95

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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.