Home / 11,423.28-17,132.56-4,400.89

Finding the Fourth Proportional to 11,423.28, 17,132.56 and 4,400.89

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Solution

The fourth proportional to 11,423.28, 17,132.56 and 4,400.89 is: 6,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.28 : 17,132.56 = 4,400.89 : x
  2. Step 2: Convert to fraction form
    11,423.28/17,132.56 = 4,400.89/x
  3. Step 3: Cross multiply
    11,423.28x = 17,132.56 × 4,400.89
  4. Step 4: Simplify right side
    11,423.28x = 75,398,511.98
  5. Step 5: Solve for x
    x = 75,398,511.98/11,423.28
  6. Step 6: Final answer
    x = 6,600.43

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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.