Home / 12,082.50-18,121.66-3,197.94

Finding the Fourth Proportional to 12,082.50, 18,121.66 and 3,197.94

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Solution

The fourth proportional to 12,082.50, 18,121.66 and 3,197.94 is: 4,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.50 : 18,121.66 = 3,197.94 : x
  2. Step 2: Convert to fraction form
    12,082.50/18,121.66 = 3,197.94/x
  3. Step 3: Cross multiply
    12,082.50x = 18,121.66 × 3,197.94
  4. Step 4: Simplify right side
    12,082.50x = 57,951,981.38
  5. Step 5: Solve for x
    x = 57,951,981.38/12,082.50
  6. Step 6: Final answer
    x = 4,796.36

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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.