Home / 18,013.87-27,002.33-6,917.57

Finding the Fourth Proportional to 18,013.87, 27,002.33 and 6,917.57

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Solution

The fourth proportional to 18,013.87, 27,002.33 and 6,917.57 is: 10,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.87 : 27,002.33 = 6,917.57 : x
  2. Step 2: Convert to fraction form
    18,013.87/27,002.33 = 6,917.57/x
  3. Step 3: Cross multiply
    18,013.87x = 27,002.33 × 6,917.57
  4. Step 4: Simplify right side
    18,013.87x = 186,790,507.94
  5. Step 5: Solve for x
    x = 186,790,507.94/18,013.87
  6. Step 6: Final answer
    x = 10,369.26

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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.