Home / 11,619.97-17,429.79-2,854.96

Finding the Fourth Proportional to 11,619.97, 17,429.79 and 2,854.96

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Solution

The fourth proportional to 11,619.97, 17,429.79 and 2,854.96 is: 4,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.97 : 17,429.79 = 2,854.96 : x
  2. Step 2: Convert to fraction form
    11,619.97/17,429.79 = 2,854.96/x
  3. Step 3: Cross multiply
    11,619.97x = 17,429.79 × 2,854.96
  4. Step 4: Simplify right side
    11,619.97x = 49,761,309.68
  5. Step 5: Solve for x
    x = 49,761,309.68/11,619.97
  6. Step 6: Final answer
    x = 4,282.40

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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.