Home / 11,521.17-17,281.08-3,729.38

Finding the Fourth Proportional to 11,521.17, 17,281.08 and 3,729.38

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Solution

The fourth proportional to 11,521.17, 17,281.08 and 3,729.38 is: 5,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.17 : 17,281.08 = 3,729.38 : x
  2. Step 2: Convert to fraction form
    11,521.17/17,281.08 = 3,729.38/x
  3. Step 3: Cross multiply
    11,521.17x = 17,281.08 × 3,729.38
  4. Step 4: Simplify right side
    11,521.17x = 64,447,627.73
  5. Step 5: Solve for x
    x = 64,447,627.73/11,521.17
  6. Step 6: Final answer
    x = 5,593.84

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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.