Home / 21,542.88-32,314.56-6,751.20

Finding the Fourth Proportional to 21,542.88, 32,314.56 and 6,751.20

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Solution

The fourth proportional to 21,542.88, 32,314.56 and 6,751.20 is: 10,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,542.88 : 32,314.56 = 6,751.20 : x
  2. Step 2: Convert to fraction form
    21,542.88/32,314.56 = 6,751.20/x
  3. Step 3: Cross multiply
    21,542.88x = 32,314.56 × 6,751.20
  4. Step 4: Simplify right side
    21,542.88x = 218,162,057.47
  5. Step 5: Solve for x
    x = 218,162,057.47/21,542.88
  6. Step 6: Final answer
    x = 10,126.88

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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.