Home / 13,625.44-20,438.16-6,229.74

Finding the Fourth Proportional to 13,625.44, 20,438.16 and 6,229.74

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Solution

The fourth proportional to 13,625.44, 20,438.16 and 6,229.74 is: 9,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.44 : 20,438.16 = 6,229.74 : x
  2. Step 2: Convert to fraction form
    13,625.44/20,438.16 = 6,229.74/x
  3. Step 3: Cross multiply
    13,625.44x = 20,438.16 × 6,229.74
  4. Step 4: Simplify right side
    13,625.44x = 127,324,422.88
  5. Step 5: Solve for x
    x = 127,324,422.88/13,625.44
  6. Step 6: Final answer
    x = 9,344.61

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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.