Home / 14,503.43-20,016.14-8,131.10

Finding the Fourth Proportional to 14,503.43, 20,016.14 and 8,131.10

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Solution

The fourth proportional to 14,503.43, 20,016.14 and 8,131.10 is: 11,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.43 : 20,016.14 = 8,131.10 : x
  2. Step 2: Convert to fraction form
    14,503.43/20,016.14 = 8,131.10/x
  3. Step 3: Cross multiply
    14,503.43x = 20,016.14 × 8,131.10
  4. Step 4: Simplify right side
    14,503.43x = 162,753,235.95
  5. Step 5: Solve for x
    x = 162,753,235.95/14,503.43
  6. Step 6: Final answer
    x = 11,221.71

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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.