Home / 11,371.40-17,052.78-3,975.56

Finding the Fourth Proportional to 11,371.40, 17,052.78 and 3,975.56

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Solution

The fourth proportional to 11,371.40, 17,052.78 and 3,975.56 is: 5,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.40 : 17,052.78 = 3,975.56 : x
  2. Step 2: Convert to fraction form
    11,371.40/17,052.78 = 3,975.56/x
  3. Step 3: Cross multiply
    11,371.40x = 17,052.78 × 3,975.56
  4. Step 4: Simplify right side
    11,371.40x = 67,794,350.06
  5. Step 5: Solve for x
    x = 67,794,350.06/11,371.40
  6. Step 6: Final answer
    x = 5,961.83

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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.