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Finding the Fourth Proportional to 22,660.59, 33,962.04 and 12,805.38

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Solution

The fourth proportional to 22,660.59, 33,962.04 and 12,805.38 is: 19,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.59 : 33,962.04 = 12,805.38 : x
  2. Step 2: Convert to fraction form
    22,660.59/33,962.04 = 12,805.38/x
  3. Step 3: Cross multiply
    22,660.59x = 33,962.04 × 12,805.38
  4. Step 4: Simplify right side
    22,660.59x = 434,896,827.78
  5. Step 5: Solve for x
    x = 434,896,827.78/22,660.59
  6. Step 6: Final answer
    x = 19,191.77

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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.