Home / 11,389.68-17,082.90-5,156.73

Finding the Fourth Proportional to 11,389.68, 17,082.90 and 5,156.73

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Solution

The fourth proportional to 11,389.68, 17,082.90 and 5,156.73 is: 7,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.68 : 17,082.90 = 5,156.73 : x
  2. Step 2: Convert to fraction form
    11,389.68/17,082.90 = 5,156.73/x
  3. Step 3: Cross multiply
    11,389.68x = 17,082.90 × 5,156.73
  4. Step 4: Simplify right side
    11,389.68x = 88,091,902.92
  5. Step 5: Solve for x
    x = 88,091,902.92/11,389.68
  6. Step 6: Final answer
    x = 7,734.36

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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.