Home / 14,021.55-20,982.92-8,759.04

Finding the Fourth Proportional to 14,021.55, 20,982.92 and 8,759.04

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Solution

The fourth proportional to 14,021.55, 20,982.92 and 8,759.04 is: 13,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.55 : 20,982.92 = 8,759.04 : x
  2. Step 2: Convert to fraction form
    14,021.55/20,982.92 = 8,759.04/x
  3. Step 3: Cross multiply
    14,021.55x = 20,982.92 × 8,759.04
  4. Step 4: Simplify right side
    14,021.55x = 183,790,197.98
  5. Step 5: Solve for x
    x = 183,790,197.98/14,021.55
  6. Step 6: Final answer
    x = 13,107.70

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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.