Home / 13,829.79-20,744.75-3,441.54

Finding the Fourth Proportional to 13,829.79, 20,744.75 and 3,441.54

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Solution

The fourth proportional to 13,829.79, 20,744.75 and 3,441.54 is: 5,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.79 : 20,744.75 = 3,441.54 : x
  2. Step 2: Convert to fraction form
    13,829.79/20,744.75 = 3,441.54/x
  3. Step 3: Cross multiply
    13,829.79x = 20,744.75 × 3,441.54
  4. Step 4: Simplify right side
    13,829.79x = 71,393,886.92
  5. Step 5: Solve for x
    x = 71,393,886.92/13,829.79
  6. Step 6: Final answer
    x = 5,162.33

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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.