Home / 11,431.26-15,778.19-10,734.26

Finding the Fourth Proportional to 11,431.26, 15,778.19 and 10,734.26

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Solution

The fourth proportional to 11,431.26, 15,778.19 and 10,734.26 is: 14,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.26 : 15,778.19 = 10,734.26 : x
  2. Step 2: Convert to fraction form
    11,431.26/15,778.19 = 10,734.26/x
  3. Step 3: Cross multiply
    11,431.26x = 15,778.19 × 10,734.26
  4. Step 4: Simplify right side
    11,431.26x = 169,367,141.73
  5. Step 5: Solve for x
    x = 169,367,141.73/11,431.26
  6. Step 6: Final answer
    x = 14,816.14

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Half scale
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Double scale
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Similar ratio
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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.