Home / 18,191.19-27,297.24-7,660.38

Finding the Fourth Proportional to 18,191.19, 27,297.24 and 7,660.38

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Solution

The fourth proportional to 18,191.19, 27,297.24 and 7,660.38 is: 11,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.19 : 27,297.24 = 7,660.38 : x
  2. Step 2: Convert to fraction form
    18,191.19/27,297.24 = 7,660.38/x
  3. Step 3: Cross multiply
    18,191.19x = 27,297.24 × 7,660.38
  4. Step 4: Simplify right side
    18,191.19x = 209,107,231.35
  5. Step 5: Solve for x
    x = 209,107,231.35/18,191.19
  6. Step 6: Final answer
    x = 11,494.97

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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.