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Finding the Fourth Proportional to 22,959.39, 34,438.99 and 8,168.86

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Solution

The fourth proportional to 22,959.39, 34,438.99 and 8,168.86 is: 12,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.39 : 34,438.99 = 8,168.86 : x
  2. Step 2: Convert to fraction form
    22,959.39/34,438.99 = 8,168.86/x
  3. Step 3: Cross multiply
    22,959.39x = 34,438.99 × 8,168.86
  4. Step 4: Simplify right side
    22,959.39x = 281,327,287.85
  5. Step 5: Solve for x
    x = 281,327,287.85/22,959.39
  6. Step 6: Final answer
    x = 12,253.26

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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.