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Finding the Fourth Proportional to 14,877.52, 22,314.34 and 8,640.88

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Solution

The fourth proportional to 14,877.52, 22,314.34 and 8,640.88 is: 12,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.52 : 22,314.34 = 8,640.88 : x
  2. Step 2: Convert to fraction form
    14,877.52/22,314.34 = 8,640.88/x
  3. Step 3: Cross multiply
    14,877.52x = 22,314.34 × 8,640.88
  4. Step 4: Simplify right side
    14,877.52x = 192,815,534.22
  5. Step 5: Solve for x
    x = 192,815,534.22/14,877.52
  6. Step 6: Final answer
    x = 12,960.19

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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.