Home / 11,488.20-17,233.92-5,645.04

Finding the Fourth Proportional to 11,488.20, 17,233.92 and 5,645.04

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Solution

The fourth proportional to 11,488.20, 17,233.92 and 5,645.04 is: 8,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.20 : 17,233.92 = 5,645.04 : x
  2. Step 2: Convert to fraction form
    11,488.20/17,233.92 = 5,645.04/x
  3. Step 3: Cross multiply
    11,488.20x = 17,233.92 × 5,645.04
  4. Step 4: Simplify right side
    11,488.20x = 97,286,167.76
  5. Step 5: Solve for x
    x = 97,286,167.76/11,488.20
  6. Step 6: Final answer
    x = 8,468.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.