Home / 13,829.82-20,744.82-3,441.57

Finding the Fourth Proportional to 13,829.82, 20,744.82 and 3,441.57

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Solution

The fourth proportional to 13,829.82, 20,744.82 and 3,441.57 is: 5,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.82 : 20,744.82 = 3,441.57 : x
  2. Step 2: Convert to fraction form
    13,829.82/20,744.82 = 3,441.57/x
  3. Step 3: Cross multiply
    13,829.82x = 20,744.82 × 3,441.57
  4. Step 4: Simplify right side
    13,829.82x = 71,394,750.17
  5. Step 5: Solve for x
    x = 71,394,750.17/13,829.82
  6. Step 6: Final answer
    x = 5,162.38

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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.