Home / 11,996.10-17,991.86-3,228.80

Finding the Fourth Proportional to 11,996.10, 17,991.86 and 3,228.80

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Solution

The fourth proportional to 11,996.10, 17,991.86 and 3,228.80 is: 4,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.10 : 17,991.86 = 3,228.80 : x
  2. Step 2: Convert to fraction form
    11,996.10/17,991.86 = 3,228.80/x
  3. Step 3: Cross multiply
    11,996.10x = 17,991.86 × 3,228.80
  4. Step 4: Simplify right side
    11,996.10x = 58,092,011.46
  5. Step 5: Solve for x
    x = 58,092,011.46/11,996.10
  6. Step 6: Final answer
    x = 4,842.57

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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.