Home / 10,138.26-15,207.40-6,234.47

Finding the Fourth Proportional to 10,138.26, 15,207.40 and 6,234.47

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Solution

The fourth proportional to 10,138.26, 15,207.40 and 6,234.47 is: 9,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.26 : 15,207.40 = 6,234.47 : x
  2. Step 2: Convert to fraction form
    10,138.26/15,207.40 = 6,234.47/x
  3. Step 3: Cross multiply
    10,138.26x = 15,207.40 × 6,234.47
  4. Step 4: Simplify right side
    10,138.26x = 94,810,032.79
  5. Step 5: Solve for x
    x = 94,810,032.79/10,138.26
  6. Step 6: Final answer
    x = 9,351.70

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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.