Home / 13,444.25-20,166.38-6,402.92

Finding the Fourth Proportional to 13,444.25, 20,166.38 and 6,402.92

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Solution

The fourth proportional to 13,444.25, 20,166.38 and 6,402.92 is: 9,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.25 : 20,166.38 = 6,402.92 : x
  2. Step 2: Convert to fraction form
    13,444.25/20,166.38 = 6,402.92/x
  3. Step 3: Cross multiply
    13,444.25x = 20,166.38 × 6,402.92
  4. Step 4: Simplify right side
    13,444.25x = 129,123,685.82
  5. Step 5: Solve for x
    x = 129,123,685.82/13,444.25
  6. Step 6: Final answer
    x = 9,604.38

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Similar ratio
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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.