Home / 11,243.64-16,863.98-3,451.80

Finding the Fourth Proportional to 11,243.64, 16,863.98 and 3,451.80

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Solution

The fourth proportional to 11,243.64, 16,863.98 and 3,451.80 is: 5,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.64 : 16,863.98 = 3,451.80 : x
  2. Step 2: Convert to fraction form
    11,243.64/16,863.98 = 3,451.80/x
  3. Step 3: Cross multiply
    11,243.64x = 16,863.98 × 3,451.80
  4. Step 4: Simplify right side
    11,243.64x = 58,211,086.16
  5. Step 5: Solve for x
    x = 58,211,086.16/11,243.64
  6. Step 6: Final answer
    x = 5,177.25

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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.