Home / 13,834.80-20,752.25-3,446.55

Finding the Fourth Proportional to 13,834.80, 20,752.25 and 3,446.55

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Solution

The fourth proportional to 13,834.80, 20,752.25 and 3,446.55 is: 5,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.80 : 20,752.25 = 3,446.55 : x
  2. Step 2: Convert to fraction form
    13,834.80/20,752.25 = 3,446.55/x
  3. Step 3: Cross multiply
    13,834.80x = 20,752.25 × 3,446.55
  4. Step 4: Simplify right side
    13,834.80x = 71,523,650.00
  5. Step 5: Solve for x
    x = 71,523,650.00/13,834.80
  6. Step 6: Final answer
    x = 5,169.84

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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.