Home / 11,268.50-16,899.16-3,871.18

Finding the Fourth Proportional to 11,268.50, 16,899.16 and 3,871.18

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Solution

The fourth proportional to 11,268.50, 16,899.16 and 3,871.18 is: 5,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.50 : 16,899.16 = 3,871.18 : x
  2. Step 2: Convert to fraction form
    11,268.50/16,899.16 = 3,871.18/x
  3. Step 3: Cross multiply
    11,268.50x = 16,899.16 × 3,871.18
  4. Step 4: Simplify right side
    11,268.50x = 65,419,586.36
  5. Step 5: Solve for x
    x = 65,419,586.36/11,268.50
  6. Step 6: Final answer
    x = 5,805.53

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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.