Home / 13,629.10-20,441.60-3,766.26

Finding the Fourth Proportional to 13,629.10, 20,441.60 and 3,766.26

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Solution

The fourth proportional to 13,629.10, 20,441.60 and 3,766.26 is: 5,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.10 : 20,441.60 = 3,766.26 : x
  2. Step 2: Convert to fraction form
    13,629.10/20,441.60 = 3,766.26/x
  3. Step 3: Cross multiply
    13,629.10x = 20,441.60 × 3,766.26
  4. Step 4: Simplify right side
    13,629.10x = 76,988,380.42
  5. Step 5: Solve for x
    x = 76,988,380.42/13,629.10
  6. Step 6: Final answer
    x = 5,648.82

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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.