Home / 11,600.60-17,400.90-7,445.30

Finding the Fourth Proportional to 11,600.60, 17,400.90 and 7,445.30

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Solution

The fourth proportional to 11,600.60, 17,400.90 and 7,445.30 is: 11,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.60 : 17,400.90 = 7,445.30 : x
  2. Step 2: Convert to fraction form
    11,600.60/17,400.90 = 7,445.30/x
  3. Step 3: Cross multiply
    11,600.60x = 17,400.90 × 7,445.30
  4. Step 4: Simplify right side
    11,600.60x = 129,554,920.77
  5. Step 5: Solve for x
    x = 129,554,920.77/11,600.60
  6. Step 6: Final answer
    x = 11,167.95

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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.