Home / 10,132.64-15,198.97-3,112.37

Finding the Fourth Proportional to 10,132.64, 15,198.97 and 3,112.37

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Solution

The fourth proportional to 10,132.64, 15,198.97 and 3,112.37 is: 4,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.64 : 15,198.97 = 3,112.37 : x
  2. Step 2: Convert to fraction form
    10,132.64/15,198.97 = 3,112.37/x
  3. Step 3: Cross multiply
    10,132.64x = 15,198.97 × 3,112.37
  4. Step 4: Simplify right side
    10,132.64x = 47,304,874.06
  5. Step 5: Solve for x
    x = 47,304,874.06/10,132.64
  6. Step 6: Final answer
    x = 4,668.56

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1.5x scale

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.