Home / 10,132.40-13,982.40-5,940.56

Finding the Fourth Proportional to 10,132.40, 13,982.40 and 5,940.56

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Solution

The fourth proportional to 10,132.40, 13,982.40 and 5,940.56 is: 8,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.40 : 13,982.40 = 5,940.56 : x
  2. Step 2: Convert to fraction form
    10,132.40/13,982.40 = 5,940.56/x
  3. Step 3: Cross multiply
    10,132.40x = 13,982.40 × 5,940.56
  4. Step 4: Simplify right side
    10,132.40x = 83,063,286.14
  5. Step 5: Solve for x
    x = 83,063,286.14/10,132.40
  6. Step 6: Final answer
    x = 8,197.79

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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.