Home / 13,829.97-20,745.10-3,441.72

Finding the Fourth Proportional to 13,829.97, 20,745.10 and 3,441.72

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Solution

The fourth proportional to 13,829.97, 20,745.10 and 3,441.72 is: 5,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.97 : 20,745.10 = 3,441.72 : x
  2. Step 2: Convert to fraction form
    13,829.97/20,745.10 = 3,441.72/x
  3. Step 3: Cross multiply
    13,829.97x = 20,745.10 × 3,441.72
  4. Step 4: Simplify right side
    13,829.97x = 71,398,816.97
  5. Step 5: Solve for x
    x = 71,398,816.97/13,829.97
  6. Step 6: Final answer
    x = 5,162.62

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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.