Home / 12,195.27-18,292.49-5,170.76

Finding the Fourth Proportional to 12,195.27, 18,292.49 and 5,170.76

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Solution

The fourth proportional to 12,195.27, 18,292.49 and 5,170.76 is: 7,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.27 : 18,292.49 = 5,170.76 : x
  2. Step 2: Convert to fraction form
    12,195.27/18,292.49 = 5,170.76/x
  3. Step 3: Cross multiply
    12,195.27x = 18,292.49 × 5,170.76
  4. Step 4: Simplify right side
    12,195.27x = 94,586,049.74
  5. Step 5: Solve for x
    x = 94,586,049.74/12,195.27
  6. Step 6: Final answer
    x = 7,755.96

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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.