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Finding the Fourth Proportional to 18,264.52, 25,167.86 and 12,601

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Solution

The fourth proportional to 18,264.52, 25,167.86 and 12,601 is: 17,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.52 : 25,167.86 = 12,601 : x
  2. Step 2: Convert to fraction form
    18,264.52/25,167.86 = 12,601/x
  3. Step 3: Cross multiply
    18,264.52x = 25,167.86 × 12,601
  4. Step 4: Simplify right side
    18,264.52x = 317,140,203.86
  5. Step 5: Solve for x
    x = 317,140,203.86/18,264.52
  6. Step 6: Final answer
    x = 17,363.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.