Home / 11,911.73-17,868.29-4,013.58

Finding the Fourth Proportional to 11,911.73, 17,868.29 and 4,013.58

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Solution

The fourth proportional to 11,911.73, 17,868.29 and 4,013.58 is: 6,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.73 : 17,868.29 = 4,013.58 : x
  2. Step 2: Convert to fraction form
    11,911.73/17,868.29 = 4,013.58/x
  3. Step 3: Cross multiply
    11,911.73x = 17,868.29 × 4,013.58
  4. Step 4: Simplify right side
    11,911.73x = 71,715,791.31
  5. Step 5: Solve for x
    x = 71,715,791.31/11,911.73
  6. Step 6: Final answer
    x = 6,020.61

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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.