Home / 9,371.16-12,932.46-5,179.56

Finding the Fourth Proportional to 9,371.16, 12,932.46 and 5,179.56

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Solution

The fourth proportional to 9,371.16, 12,932.46 and 5,179.56 is: 7,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.16 : 12,932.46 = 5,179.56 : x
  2. Step 2: Convert to fraction form
    9,371.16/12,932.46 = 5,179.56/x
  3. Step 3: Cross multiply
    9,371.16x = 12,932.46 × 5,179.56
  4. Step 4: Simplify right side
    9,371.16x = 66,984,452.52
  5. Step 5: Solve for x
    x = 66,984,452.52/9,371.16
  6. Step 6: Final answer
    x = 7,147.94

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1.5x scale

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.