Home / 11,943.38-17,917.22-4,919.56

Finding the Fourth Proportional to 11,943.38, 17,917.22 and 4,919.56

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Solution

The fourth proportional to 11,943.38, 17,917.22 and 4,919.56 is: 7,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.38 : 17,917.22 = 4,919.56 : x
  2. Step 2: Convert to fraction form
    11,943.38/17,917.22 = 4,919.56/x
  3. Step 3: Cross multiply
    11,943.38x = 17,917.22 × 4,919.56
  4. Step 4: Simplify right side
    11,943.38x = 88,144,806.33
  5. Step 5: Solve for x
    x = 88,144,806.33/11,943.38
  6. Step 6: Final answer
    x = 7,380.22

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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.