Home / 11,959.34-17,942.85-3,640.96

Finding the Fourth Proportional to 11,959.34, 17,942.85 and 3,640.96

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Solution

The fourth proportional to 11,959.34, 17,942.85 and 3,640.96 is: 5,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.34 : 17,942.85 = 3,640.96 : x
  2. Step 2: Convert to fraction form
    11,959.34/17,942.85 = 3,640.96/x
  3. Step 3: Cross multiply
    11,959.34x = 17,942.85 × 3,640.96
  4. Step 4: Simplify right side
    11,959.34x = 65,329,207.91
  5. Step 5: Solve for x
    x = 65,329,207.91/11,959.34
  6. Step 6: Final answer
    x = 5,462.61

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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.