Home / 13,829.42-20,744.12-3,441.17

Finding the Fourth Proportional to 13,829.42, 20,744.12 and 3,441.17

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Solution

The fourth proportional to 13,829.42, 20,744.12 and 3,441.17 is: 5,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.42 : 20,744.12 = 3,441.17 : x
  2. Step 2: Convert to fraction form
    13,829.42/20,744.12 = 3,441.17/x
  3. Step 3: Cross multiply
    13,829.42x = 20,744.12 × 3,441.17
  4. Step 4: Simplify right side
    13,829.42x = 71,384,084.53
  5. Step 5: Solve for x
    x = 71,384,084.53/13,829.42
  6. Step 6: Final answer
    x = 5,161.75

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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.