Home / 11,629.49-17,446.19-5,386.95

Finding the Fourth Proportional to 11,629.49, 17,446.19 and 5,386.95

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Solution

The fourth proportional to 11,629.49, 17,446.19 and 5,386.95 is: 8,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.49 : 17,446.19 = 5,386.95 : x
  2. Step 2: Convert to fraction form
    11,629.49/17,446.19 = 5,386.95/x
  3. Step 3: Cross multiply
    11,629.49x = 17,446.19 × 5,386.95
  4. Step 4: Simplify right side
    11,629.49x = 93,981,726.29
  5. Step 5: Solve for x
    x = 93,981,726.29/11,629.49
  6. Step 6: Final answer
    x = 8,081.33

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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.