Home / 11,101.62-15,321.29-6,066.60

Finding the Fourth Proportional to 11,101.62, 15,321.29 and 6,066.60

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Solution

The fourth proportional to 11,101.62, 15,321.29 and 6,066.60 is: 8,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.62 : 15,321.29 = 6,066.60 : x
  2. Step 2: Convert to fraction form
    11,101.62/15,321.29 = 6,066.60/x
  3. Step 3: Cross multiply
    11,101.62x = 15,321.29 × 6,066.60
  4. Step 4: Simplify right side
    11,101.62x = 92,948,137.91
  5. Step 5: Solve for x
    x = 92,948,137.91/11,101.62
  6. Step 6: Final answer
    x = 8,372.48

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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.