Home / 11,519.24-17,268.30-4,121.96

Finding the Fourth Proportional to 11,519.24, 17,268.30 and 4,121.96

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Solution

The fourth proportional to 11,519.24, 17,268.30 and 4,121.96 is: 6,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.24 : 17,268.30 = 4,121.96 : x
  2. Step 2: Convert to fraction form
    11,519.24/17,268.30 = 4,121.96/x
  3. Step 3: Cross multiply
    11,519.24x = 17,268.30 × 4,121.96
  4. Step 4: Simplify right side
    11,519.24x = 71,179,241.87
  5. Step 5: Solve for x
    x = 71,179,241.87/11,519.24
  6. Step 6: Final answer
    x = 6,179.16

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1.5x scale

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.