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Finding the Fourth Proportional to 17,327.97, 25,970.42 and 7,958.06

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Solution

The fourth proportional to 17,327.97, 25,970.42 and 7,958.06 is: 11,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,327.97 : 25,970.42 = 7,958.06 : x
  2. Step 2: Convert to fraction form
    17,327.97/25,970.42 = 7,958.06/x
  3. Step 3: Cross multiply
    17,327.97x = 25,970.42 × 7,958.06
  4. Step 4: Simplify right side
    17,327.97x = 206,673,990.94
  5. Step 5: Solve for x
    x = 206,673,990.94/17,327.97
  6. Step 6: Final answer
    x = 11,927.19

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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.