Home / 9,387.65-14,085.86-4,121.97

Finding the Fourth Proportional to 9,387.65, 14,085.86 and 4,121.97

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Solution

The fourth proportional to 9,387.65, 14,085.86 and 4,121.97 is: 6,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.65 : 14,085.86 = 4,121.97 : x
  2. Step 2: Convert to fraction form
    9,387.65/14,085.86 = 4,121.97/x
  3. Step 3: Cross multiply
    9,387.65x = 14,085.86 × 4,121.97
  4. Step 4: Simplify right side
    9,387.65x = 58,061,471.73
  5. Step 5: Solve for x
    x = 58,061,471.73/9,387.65
  6. Step 6: Final answer
    x = 6,184.88

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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.