Home / 18,651.38-27,950.82-9,282.56

Finding the Fourth Proportional to 18,651.38, 27,950.82 and 9,282.56

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Solution

The fourth proportional to 18,651.38, 27,950.82 and 9,282.56 is: 13,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.38 : 27,950.82 = 9,282.56 : x
  2. Step 2: Convert to fraction form
    18,651.38/27,950.82 = 9,282.56/x
  3. Step 3: Cross multiply
    18,651.38x = 27,950.82 × 9,282.56
  4. Step 4: Simplify right side
    18,651.38x = 259,455,163.70
  5. Step 5: Solve for x
    x = 259,455,163.70/18,651.38
  6. Step 6: Final answer
    x = 13,910.78

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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.