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Finding the Fourth Proportional to 17,067.19, 25,605.10 and 4,755.19

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Solution

The fourth proportional to 17,067.19, 25,605.10 and 4,755.19 is: 7,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,067.19 : 25,605.10 = 4,755.19 : x
  2. Step 2: Convert to fraction form
    17,067.19/25,605.10 = 4,755.19/x
  3. Step 3: Cross multiply
    17,067.19x = 25,605.10 × 4,755.19
  4. Step 4: Simplify right side
    17,067.19x = 121,757,115.47
  5. Step 5: Solve for x
    x = 121,757,115.47/17,067.19
  6. Step 6: Final answer
    x = 7,133.99

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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.