Home / 13,734.12-20,606.04-5,409.54

Finding the Fourth Proportional to 13,734.12, 20,606.04 and 5,409.54

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Solution

The fourth proportional to 13,734.12, 20,606.04 and 5,409.54 is: 8,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.12 : 20,606.04 = 5,409.54 : x
  2. Step 2: Convert to fraction form
    13,734.12/20,606.04 = 5,409.54/x
  3. Step 3: Cross multiply
    13,734.12x = 20,606.04 × 5,409.54
  4. Step 4: Simplify right side
    13,734.12x = 111,469,197.62
  5. Step 5: Solve for x
    x = 111,469,197.62/13,734.12
  6. Step 6: Final answer
    x = 8,116.22

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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.