Home / 11,940.70-17,908.89-4,042.39

Finding the Fourth Proportional to 11,940.70, 17,908.89 and 4,042.39

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Solution

The fourth proportional to 11,940.70, 17,908.89 and 4,042.39 is: 6,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.70 : 17,908.89 = 4,042.39 : x
  2. Step 2: Convert to fraction form
    11,940.70/17,908.89 = 4,042.39/x
  3. Step 3: Cross multiply
    11,940.70x = 17,908.89 × 4,042.39
  4. Step 4: Simplify right side
    11,940.70x = 72,394,717.85
  5. Step 5: Solve for x
    x = 72,394,717.85/11,940.70
  6. Step 6: Final answer
    x = 6,062.85

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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.