Home / 11,268.44-16,890.92-4,243.64

Finding the Fourth Proportional to 11,268.44, 16,890.92 and 4,243.64

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Solution

The fourth proportional to 11,268.44, 16,890.92 and 4,243.64 is: 6,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.44 : 16,890.92 = 4,243.64 : x
  2. Step 2: Convert to fraction form
    11,268.44/16,890.92 = 4,243.64/x
  3. Step 3: Cross multiply
    11,268.44x = 16,890.92 × 4,243.64
  4. Step 4: Simplify right side
    11,268.44x = 71,678,983.75
  5. Step 5: Solve for x
    x = 71,678,983.75/11,268.44
  6. Step 6: Final answer
    x = 6,361.04

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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.