Home / 10,902.65-15,044.41-6,121.96

Finding the Fourth Proportional to 10,902.65, 15,044.41 and 6,121.96

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Solution

The fourth proportional to 10,902.65, 15,044.41 and 6,121.96 is: 8,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.65 : 15,044.41 = 6,121.96 : x
  2. Step 2: Convert to fraction form
    10,902.65/15,044.41 = 6,121.96/x
  3. Step 3: Cross multiply
    10,902.65x = 15,044.41 × 6,121.96
  4. Step 4: Simplify right side
    10,902.65x = 92,101,246.29
  5. Step 5: Solve for x
    x = 92,101,246.29/10,902.65
  6. Step 6: Final answer
    x = 8,447.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.