Home / 13,456.19-20,184.29-6,434.55

Finding the Fourth Proportional to 13,456.19, 20,184.29 and 6,434.55

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Solution

The fourth proportional to 13,456.19, 20,184.29 and 6,434.55 is: 9,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.19 : 20,184.29 = 6,434.55 : x
  2. Step 2: Convert to fraction form
    13,456.19/20,184.29 = 6,434.55/x
  3. Step 3: Cross multiply
    13,456.19x = 20,184.29 × 6,434.55
  4. Step 4: Simplify right side
    13,456.19x = 129,876,791.05
  5. Step 5: Solve for x
    x = 129,876,791.05/13,456.19
  6. Step 6: Final answer
    x = 9,651.83

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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.