Home / 14,520.50-21,781.02-4,132.52

Finding the Fourth Proportional to 14,520.50, 21,781.02 and 4,132.52

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Solution

The fourth proportional to 14,520.50, 21,781.02 and 4,132.52 is: 6,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.50 : 21,781.02 = 4,132.52 : x
  2. Step 2: Convert to fraction form
    14,520.50/21,781.02 = 4,132.52/x
  3. Step 3: Cross multiply
    14,520.50x = 21,781.02 × 4,132.52
  4. Step 4: Simplify right side
    14,520.50x = 90,010,500.77
  5. Step 5: Solve for x
    x = 90,010,500.77/14,520.50
  6. Step 6: Final answer
    x = 6,198.86

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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.