Home / 12,519.66-17,274.67-7,141.97

Finding the Fourth Proportional to 12,519.66, 17,274.67 and 7,141.97

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Solution

The fourth proportional to 12,519.66, 17,274.67 and 7,141.97 is: 9,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.66 : 17,274.67 = 7,141.97 : x
  2. Step 2: Convert to fraction form
    12,519.66/17,274.67 = 7,141.97/x
  3. Step 3: Cross multiply
    12,519.66x = 17,274.67 × 7,141.97
  4. Step 4: Simplify right side
    12,519.66x = 123,375,200.23
  5. Step 5: Solve for x
    x = 123,375,200.23/12,519.66
  6. Step 6: Final answer
    x = 9,854.51

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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.