Home / 21,144.82-31,711.56-6,350.44

Finding the Fourth Proportional to 21,144.82, 31,711.56 and 6,350.44

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Solution

The fourth proportional to 21,144.82, 31,711.56 and 6,350.44 is: 9,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144.82 : 31,711.56 = 6,350.44 : x
  2. Step 2: Convert to fraction form
    21,144.82/31,711.56 = 6,350.44/x
  3. Step 3: Cross multiply
    21,144.82x = 31,711.56 × 6,350.44
  4. Step 4: Simplify right side
    21,144.82x = 201,382,359.09
  5. Step 5: Solve for x
    x = 201,382,359.09/21,144.82
  6. Step 6: Final answer
    x = 9,523.96

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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.