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Finding the Fourth Proportional to 17,144.60, 25,768.10 and 14,891.80

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Solution

The fourth proportional to 17,144.60, 25,768.10 and 14,891.80 is: 22,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.60 : 25,768.10 = 14,891.80 : x
  2. Step 2: Convert to fraction form
    17,144.60/25,768.10 = 14,891.80/x
  3. Step 3: Cross multiply
    17,144.60x = 25,768.10 × 14,891.80
  4. Step 4: Simplify right side
    17,144.60x = 383,733,391.58
  5. Step 5: Solve for x
    x = 383,733,391.58/17,144.60
  6. Step 6: Final answer
    x = 22,382.17

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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.