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Finding the Fourth Proportional to 22,608.62, 33,914.46 and 8,378.42

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Solution

The fourth proportional to 22,608.62, 33,914.46 and 8,378.42 is: 12,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.62 : 33,914.46 = 8,378.42 : x
  2. Step 2: Convert to fraction form
    22,608.62/33,914.46 = 8,378.42/x
  3. Step 3: Cross multiply
    22,608.62x = 33,914.46 × 8,378.42
  4. Step 4: Simplify right side
    22,608.62x = 284,149,589.95
  5. Step 5: Solve for x
    x = 284,149,589.95/22,608.62
  6. Step 6: Final answer
    x = 12,568.20

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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.