Home / 9,311.76-13,957.92-4,114.80

Finding the Fourth Proportional to 9,311.76, 13,957.92 and 4,114.80

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Solution

The fourth proportional to 9,311.76, 13,957.92 and 4,114.80 is: 6,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.76 : 13,957.92 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    9,311.76/13,957.92 = 4,114.80/x
  3. Step 3: Cross multiply
    9,311.76x = 13,957.92 × 4,114.80
  4. Step 4: Simplify right side
    9,311.76x = 57,434,049.22
  5. Step 5: Solve for x
    x = 57,434,049.22/9,311.76
  6. Step 6: Final answer
    x = 6,167.90

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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.