Home / 11,991.42-17,984.66-3,224.25

Finding the Fourth Proportional to 11,991.42, 17,984.66 and 3,224.25

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Solution

The fourth proportional to 11,991.42, 17,984.66 and 3,224.25 is: 4,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.42 : 17,984.66 = 3,224.25 : x
  2. Step 2: Convert to fraction form
    11,991.42/17,984.66 = 3,224.25/x
  3. Step 3: Cross multiply
    11,991.42x = 17,984.66 × 3,224.25
  4. Step 4: Simplify right side
    11,991.42x = 57,987,023.88
  5. Step 5: Solve for x
    x = 57,987,023.88/11,991.42
  6. Step 6: Final answer
    x = 4,835.71

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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.