Home / 10,976.66-15,147.66-5,940.77

Finding the Fourth Proportional to 10,976.66, 15,147.66 and 5,940.77

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Solution

The fourth proportional to 10,976.66, 15,147.66 and 5,940.77 is: 8,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.66 : 15,147.66 = 5,940.77 : x
  2. Step 2: Convert to fraction form
    10,976.66/15,147.66 = 5,940.77/x
  3. Step 3: Cross multiply
    10,976.66x = 15,147.66 × 5,940.77
  4. Step 4: Simplify right side
    10,976.66x = 89,988,764.10
  5. Step 5: Solve for x
    x = 89,988,764.10/10,976.66
  6. Step 6: Final answer
    x = 8,198.19

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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.