Home / 18,270.30-27,394.82-7,163.97

Finding the Fourth Proportional to 18,270.30, 27,394.82 and 7,163.97

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Solution

The fourth proportional to 18,270.30, 27,394.82 and 7,163.97 is: 10,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.30 : 27,394.82 = 7,163.97 : x
  2. Step 2: Convert to fraction form
    18,270.30/27,394.82 = 7,163.97/x
  3. Step 3: Cross multiply
    18,270.30x = 27,394.82 × 7,163.97
  4. Step 4: Simplify right side
    18,270.30x = 196,255,632.82
  5. Step 5: Solve for x
    x = 196,255,632.82/18,270.30
  6. Step 6: Final answer
    x = 10,741.78

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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.