Home / 11,330.92-15,638.37-8,154.73

Finding the Fourth Proportional to 11,330.92, 15,638.37 and 8,154.73

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Solution

The fourth proportional to 11,330.92, 15,638.37 and 8,154.73 is: 11,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.92 : 15,638.37 = 8,154.73 : x
  2. Step 2: Convert to fraction form
    11,330.92/15,638.37 = 8,154.73/x
  3. Step 3: Cross multiply
    11,330.92x = 15,638.37 × 8,154.73
  4. Step 4: Simplify right side
    11,330.92x = 127,526,644.22
  5. Step 5: Solve for x
    x = 127,526,644.22/11,330.92
  6. Step 6: Final answer
    x = 11,254.75

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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.