Home / 11,308.92-15,503.31-11,127.48

Finding the Fourth Proportional to 11,308.92, 15,503.31 and 11,127.48

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Solution

The fourth proportional to 11,308.92, 15,503.31 and 11,127.48 is: 15,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.92 : 15,503.31 = 11,127.48 : x
  2. Step 2: Convert to fraction form
    11,308.92/15,503.31 = 11,127.48/x
  3. Step 3: Cross multiply
    11,308.92x = 15,503.31 × 11,127.48
  4. Step 4: Simplify right side
    11,308.92x = 172,512,771.96
  5. Step 5: Solve for x
    x = 172,512,771.96/11,308.92
  6. Step 6: Final answer
    x = 15,254.58

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.