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Finding the Fourth Proportional to 14,044.52, 21,060.92 and 5,718.87

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Solution

The fourth proportional to 14,044.52, 21,060.92 and 5,718.87 is: 8,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.52 : 21,060.92 = 5,718.87 : x
  2. Step 2: Convert to fraction form
    14,044.52/21,060.92 = 5,718.87/x
  3. Step 3: Cross multiply
    14,044.52x = 21,060.92 × 5,718.87
  4. Step 4: Simplify right side
    14,044.52x = 120,444,677.86
  5. Step 5: Solve for x
    x = 120,444,677.86/14,044.52
  6. Step 6: Final answer
    x = 8,575.92

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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.