Home / 13,127.27-19,689.44-4,691.97

Finding the Fourth Proportional to 13,127.27, 19,689.44 and 4,691.97

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Solution

The fourth proportional to 13,127.27, 19,689.44 and 4,691.97 is: 7,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.27 : 19,689.44 = 4,691.97 : x
  2. Step 2: Convert to fraction form
    13,127.27/19,689.44 = 4,691.97/x
  3. Step 3: Cross multiply
    13,127.27x = 19,689.44 × 4,691.97
  4. Step 4: Simplify right side
    13,127.27x = 92,382,261.80
  5. Step 5: Solve for x
    x = 92,382,261.80/13,127.27
  6. Step 6: Final answer
    x = 7,037.43

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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.