Home / 14,743.20-20,350.02-9,711.30

Finding the Fourth Proportional to 14,743.20, 20,350.02 and 9,711.30

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Solution

The fourth proportional to 14,743.20, 20,350.02 and 9,711.30 is: 13,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.20 : 20,350.02 = 9,711.30 : x
  2. Step 2: Convert to fraction form
    14,743.20/20,350.02 = 9,711.30/x
  3. Step 3: Cross multiply
    14,743.20x = 20,350.02 × 9,711.30
  4. Step 4: Simplify right side
    14,743.20x = 197,625,149.23
  5. Step 5: Solve for x
    x = 197,625,149.23/14,743.20
  6. Step 6: Final answer
    x = 13,404.49

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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.