Home / 11,132.10-15,349.24-8,886.78

Finding the Fourth Proportional to 11,132.10, 15,349.24 and 8,886.78

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Solution

The fourth proportional to 11,132.10, 15,349.24 and 8,886.78 is: 12,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.10 : 15,349.24 = 8,886.78 : x
  2. Step 2: Convert to fraction form
    11,132.10/15,349.24 = 8,886.78/x
  3. Step 3: Cross multiply
    11,132.10x = 15,349.24 × 8,886.78
  4. Step 4: Simplify right side
    11,132.10x = 136,405,319.05
  5. Step 5: Solve for x
    x = 136,405,319.05/11,132.10
  6. Step 6: Final answer
    x = 12,253.33

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Half scale
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Double scale
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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.