Home / 11,815.46-17,717.06-3,494.39

Finding the Fourth Proportional to 11,815.46, 17,717.06 and 3,494.39

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Solution

The fourth proportional to 11,815.46, 17,717.06 and 3,494.39 is: 5,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.46 : 17,717.06 = 3,494.39 : x
  2. Step 2: Convert to fraction form
    11,815.46/17,717.06 = 3,494.39/x
  3. Step 3: Cross multiply
    11,815.46x = 17,717.06 × 3,494.39
  4. Step 4: Simplify right side
    11,815.46x = 61,910,237.44
  5. Step 5: Solve for x
    x = 61,910,237.44/11,815.46
  6. Step 6: Final answer
    x = 5,239.76

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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.