Home / 11,342.40-17,013.60-3,551.22

Finding the Fourth Proportional to 11,342.40, 17,013.60 and 3,551.22

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Solution

The fourth proportional to 11,342.40, 17,013.60 and 3,551.22 is: 5,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.40 : 17,013.60 = 3,551.22 : x
  2. Step 2: Convert to fraction form
    11,342.40/17,013.60 = 3,551.22/x
  3. Step 3: Cross multiply
    11,342.40x = 17,013.60 × 3,551.22
  4. Step 4: Simplify right side
    11,342.40x = 60,419,036.59
  5. Step 5: Solve for x
    x = 60,419,036.59/11,342.40
  6. Step 6: Final answer
    x = 5,326.83

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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.