Home / 11,995.09-17,991.22-3,229.31

Finding the Fourth Proportional to 11,995.09, 17,991.22 and 3,229.31

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Solution

The fourth proportional to 11,995.09, 17,991.22 and 3,229.31 is: 4,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.09 : 17,991.22 = 3,229.31 : x
  2. Step 2: Convert to fraction form
    11,995.09/17,991.22 = 3,229.31/x
  3. Step 3: Cross multiply
    11,995.09x = 17,991.22 × 3,229.31
  4. Step 4: Simplify right side
    11,995.09x = 58,099,226.66
  5. Step 5: Solve for x
    x = 58,099,226.66/11,995.09
  6. Step 6: Final answer
    x = 4,843.58

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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.