Home / 11,034.09-15,227.39-8,376.89

Finding the Fourth Proportional to 11,034.09, 15,227.39 and 8,376.89

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Solution

The fourth proportional to 11,034.09, 15,227.39 and 8,376.89 is: 11,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.09 : 15,227.39 = 8,376.89 : x
  2. Step 2: Convert to fraction form
    11,034.09/15,227.39 = 8,376.89/x
  3. Step 3: Cross multiply
    11,034.09x = 15,227.39 × 8,376.89
  4. Step 4: Simplify right side
    11,034.09x = 127,558,115.82
  5. Step 5: Solve for x
    x = 127,558,115.82/11,034.09
  6. Step 6: Final answer
    x = 11,560.37

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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.