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Finding the Fourth Proportional to 63,874.64, 95,811.96 and 17,126.30

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Solution

The fourth proportional to 63,874.64, 95,811.96 and 17,126.30 is: 25,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,874.64 : 95,811.96 = 17,126.30 : x
  2. Step 2: Convert to fraction form
    63,874.64/95,811.96 = 17,126.30/x
  3. Step 3: Cross multiply
    63,874.64x = 95,811.96 × 17,126.30
  4. Step 4: Simplify right side
    63,874.64x = 1,640,904,370.55
  5. Step 5: Solve for x
    x = 1,640,904,370.55/63,874.64
  6. Step 6: Final answer
    x = 25,689.45

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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.