Home / 14,542.11-20,065.70-8,572.97

Finding the Fourth Proportional to 14,542.11, 20,065.70 and 8,572.97

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Solution

The fourth proportional to 14,542.11, 20,065.70 and 8,572.97 is: 11,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.11 : 20,065.70 = 8,572.97 : x
  2. Step 2: Convert to fraction form
    14,542.11/20,065.70 = 8,572.97/x
  3. Step 3: Cross multiply
    14,542.11x = 20,065.70 × 8,572.97
  4. Step 4: Simplify right side
    14,542.11x = 172,022,644.13
  5. Step 5: Solve for x
    x = 172,022,644.13/14,542.11
  6. Step 6: Final answer
    x = 11,829.28

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1.5x scale

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.