Home / 11,899.62-17,850.95-3,998.75

Finding the Fourth Proportional to 11,899.62, 17,850.95 and 3,998.75

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Solution

The fourth proportional to 11,899.62, 17,850.95 and 3,998.75 is: 5,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.62 : 17,850.95 = 3,998.75 : x
  2. Step 2: Convert to fraction form
    11,899.62/17,850.95 = 3,998.75/x
  3. Step 3: Cross multiply
    11,899.62x = 17,850.95 × 3,998.75
  4. Step 4: Simplify right side
    11,899.62x = 71,381,392.06
  5. Step 5: Solve for x
    x = 71,381,392.06/11,899.62
  6. Step 6: Final answer
    x = 5,998.63

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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.