Home / 14,149.71-21,229.17-6,753.21

Finding the Fourth Proportional to 14,149.71, 21,229.17 and 6,753.21

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Solution

The fourth proportional to 14,149.71, 21,229.17 and 6,753.21 is: 10,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.71 : 21,229.17 = 6,753.21 : x
  2. Step 2: Convert to fraction form
    14,149.71/21,229.17 = 6,753.21/x
  3. Step 3: Cross multiply
    14,149.71x = 21,229.17 × 6,753.21
  4. Step 4: Simplify right side
    14,149.71x = 143,365,043.14
  5. Step 5: Solve for x
    x = 143,365,043.14/14,149.71
  6. Step 6: Final answer
    x = 10,132.01

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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.