Home / 10,541.92-15,815.16-3,146.97

Finding the Fourth Proportional to 10,541.92, 15,815.16 and 3,146.97

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Solution

The fourth proportional to 10,541.92, 15,815.16 and 3,146.97 is: 4,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.92 : 15,815.16 = 3,146.97 : x
  2. Step 2: Convert to fraction form
    10,541.92/15,815.16 = 3,146.97/x
  3. Step 3: Cross multiply
    10,541.92x = 15,815.16 × 3,146.97
  4. Step 4: Simplify right side
    10,541.92x = 49,769,834.07
  5. Step 5: Solve for x
    x = 49,769,834.07/10,541.92
  6. Step 6: Final answer
    x = 4,721.14

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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.