Home / 11,991.97-17,989.04-3,226.69

Finding the Fourth Proportional to 11,991.97, 17,989.04 and 3,226.69

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Solution

The fourth proportional to 11,991.97, 17,989.04 and 3,226.69 is: 4,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.97 : 17,989.04 = 3,226.69 : x
  2. Step 2: Convert to fraction form
    11,991.97/17,989.04 = 3,226.69/x
  3. Step 3: Cross multiply
    11,991.97x = 17,989.04 × 3,226.69
  4. Step 4: Simplify right side
    11,991.97x = 58,045,055.48
  5. Step 5: Solve for x
    x = 58,045,055.48/11,991.97
  6. Step 6: Final answer
    x = 4,840.33

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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.