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Finding the Fourth Proportional to 17,618.91, 24,314.87 and 10,543.95

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Solution

The fourth proportional to 17,618.91, 24,314.87 and 10,543.95 is: 14,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.91 : 24,314.87 = 10,543.95 : x
  2. Step 2: Convert to fraction form
    17,618.91/24,314.87 = 10,543.95/x
  3. Step 3: Cross multiply
    17,618.91x = 24,314.87 × 10,543.95
  4. Step 4: Simplify right side
    17,618.91x = 256,374,720.82
  5. Step 5: Solve for x
    x = 256,374,720.82/17,618.91
  6. Step 6: Final answer
    x = 14,551.11

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1.5x scale

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.