Home / 13,469.18-20,203.38-3,608.44

Finding the Fourth Proportional to 13,469.18, 20,203.38 and 3,608.44

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Solution

The fourth proportional to 13,469.18, 20,203.38 and 3,608.44 is: 5,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.18 : 20,203.38 = 3,608.44 : x
  2. Step 2: Convert to fraction form
    13,469.18/20,203.38 = 3,608.44/x
  3. Step 3: Cross multiply
    13,469.18x = 20,203.38 × 3,608.44
  4. Step 4: Simplify right side
    13,469.18x = 72,902,684.53
  5. Step 5: Solve for x
    x = 72,902,684.53/13,469.18
  6. Step 6: Final answer
    x = 5,412.56

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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.