Home / 17,997.78-26,998.47-5,517.66

Finding the Fourth Proportional to 17,997.78, 26,998.47 and 5,517.66

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Solution

The fourth proportional to 17,997.78, 26,998.47 and 5,517.66 is: 8,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.78 : 26,998.47 = 5,517.66 : x
  2. Step 2: Convert to fraction form
    17,997.78/26,998.47 = 5,517.66/x
  3. Step 3: Cross multiply
    17,997.78x = 26,998.47 × 5,517.66
  4. Step 4: Simplify right side
    17,997.78x = 148,968,377.98
  5. Step 5: Solve for x
    x = 148,968,377.98/17,997.78
  6. Step 6: Final answer
    x = 8,277.04

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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.