Home / 11,257.76-16,868.19-3,858.23

Finding the Fourth Proportional to 11,257.76, 16,868.19 and 3,858.23

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Solution

The fourth proportional to 11,257.76, 16,868.19 and 3,858.23 is: 5,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.76 : 16,868.19 = 3,858.23 : x
  2. Step 2: Convert to fraction form
    11,257.76/16,868.19 = 3,858.23/x
  3. Step 3: Cross multiply
    11,257.76x = 16,868.19 × 3,858.23
  4. Step 4: Simplify right side
    11,257.76x = 65,081,356.70
  5. Step 5: Solve for x
    x = 65,081,356.70/11,257.76
  6. Step 6: Final answer
    x = 5,781.02

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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.