Home / 17,998.32-26,997.48-5,518.38

Finding the Fourth Proportional to 17,998.32, 26,997.48 and 5,518.38

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Solution

The fourth proportional to 17,998.32, 26,997.48 and 5,518.38 is: 8,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.32 : 26,997.48 = 5,518.38 : x
  2. Step 2: Convert to fraction form
    17,998.32/26,997.48 = 5,518.38/x
  3. Step 3: Cross multiply
    17,998.32x = 26,997.48 × 5,518.38
  4. Step 4: Simplify right side
    17,998.32x = 148,982,353.68
  5. Step 5: Solve for x
    x = 148,982,353.68/17,998.32
  6. Step 6: Final answer
    x = 8,277.57

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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.