Home / 16,914.87-25,354.49-8,131.23

Finding the Fourth Proportional to 16,914.87, 25,354.49 and 8,131.23

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Solution

The fourth proportional to 16,914.87, 25,354.49 and 8,131.23 is: 12,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.87 : 25,354.49 = 8,131.23 : x
  2. Step 2: Convert to fraction form
    16,914.87/25,354.49 = 8,131.23/x
  3. Step 3: Cross multiply
    16,914.87x = 25,354.49 × 8,131.23
  4. Step 4: Simplify right side
    16,914.87x = 206,163,149.07
  5. Step 5: Solve for x
    x = 206,163,149.07/16,914.87
  6. Step 6: Final answer
    x = 12,188.28

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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.