Home / 11,339.30-17,002.28-3,439.43

Finding the Fourth Proportional to 11,339.30, 17,002.28 and 3,439.43

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Solution

The fourth proportional to 11,339.30, 17,002.28 and 3,439.43 is: 5,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.30 : 17,002.28 = 3,439.43 : x
  2. Step 2: Convert to fraction form
    11,339.30/17,002.28 = 3,439.43/x
  3. Step 3: Cross multiply
    11,339.30x = 17,002.28 × 3,439.43
  4. Step 4: Simplify right side
    11,339.30x = 58,478,049.69
  5. Step 5: Solve for x
    x = 58,478,049.69/11,339.30
  6. Step 6: Final answer
    x = 5,157.12

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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.