Home / 11,342.39-17,013.52-2,908.85

Finding the Fourth Proportional to 11,342.39, 17,013.52 and 2,908.85

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Solution

The fourth proportional to 11,342.39, 17,013.52 and 2,908.85 is: 4,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.39 : 17,013.52 = 2,908.85 : x
  2. Step 2: Convert to fraction form
    11,342.39/17,013.52 = 2,908.85/x
  3. Step 3: Cross multiply
    11,342.39x = 17,013.52 × 2,908.85
  4. Step 4: Simplify right side
    11,342.39x = 49,489,835.68
  5. Step 5: Solve for x
    x = 49,489,835.68/11,342.39
  6. Step 6: Final answer
    x = 4,363.27

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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.