Home / 13,126.73-19,691.31-5,227.34

Finding the Fourth Proportional to 13,126.73, 19,691.31 and 5,227.34

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Solution

The fourth proportional to 13,126.73, 19,691.31 and 5,227.34 is: 7,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.73 : 19,691.31 = 5,227.34 : x
  2. Step 2: Convert to fraction form
    13,126.73/19,691.31 = 5,227.34/x
  3. Step 3: Cross multiply
    13,126.73x = 19,691.31 × 5,227.34
  4. Step 4: Simplify right side
    13,126.73x = 102,933,107.18
  5. Step 5: Solve for x
    x = 102,933,107.18/13,126.73
  6. Step 6: Final answer
    x = 7,841.49

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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.