Home / 11,604.24-17,408.92-3,812.72

Finding the Fourth Proportional to 11,604.24, 17,408.92 and 3,812.72

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Solution

The fourth proportional to 11,604.24, 17,408.92 and 3,812.72 is: 5,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.24 : 17,408.92 = 3,812.72 : x
  2. Step 2: Convert to fraction form
    11,604.24/17,408.92 = 3,812.72/x
  3. Step 3: Cross multiply
    11,604.24x = 17,408.92 × 3,812.72
  4. Step 4: Simplify right side
    11,604.24x = 66,375,337.46
  5. Step 5: Solve for x
    x = 66,375,337.46/11,604.24
  6. Step 6: Final answer
    x = 5,719.92

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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.