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Finding the Fourth Proportional to 22,591.40, 33,880.62 and 8,737.16

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Solution

The fourth proportional to 22,591.40, 33,880.62 and 8,737.16 is: 13,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.40 : 33,880.62 = 8,737.16 : x
  2. Step 2: Convert to fraction form
    22,591.40/33,880.62 = 8,737.16/x
  3. Step 3: Cross multiply
    22,591.40x = 33,880.62 × 8,737.16
  4. Step 4: Simplify right side
    22,591.40x = 296,020,397.84
  5. Step 5: Solve for x
    x = 296,020,397.84/22,591.40
  6. Step 6: Final answer
    x = 13,103.23

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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.