Home / 18,231.12-27,346.90-5,082.69

Finding the Fourth Proportional to 18,231.12, 27,346.90 and 5,082.69

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Solution

The fourth proportional to 18,231.12, 27,346.90 and 5,082.69 is: 7,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.12 : 27,346.90 = 5,082.69 : x
  2. Step 2: Convert to fraction form
    18,231.12/27,346.90 = 5,082.69/x
  3. Step 3: Cross multiply
    18,231.12x = 27,346.90 × 5,082.69
  4. Step 4: Simplify right side
    18,231.12x = 138,995,789.75
  5. Step 5: Solve for x
    x = 138,995,789.75/18,231.12
  6. Step 6: Final answer
    x = 7,624.10

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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.