Home / 11,895.55-17,843.61-3,998.18

Finding the Fourth Proportional to 11,895.55, 17,843.61 and 3,998.18

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Solution

The fourth proportional to 11,895.55, 17,843.61 and 3,998.18 is: 5,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.55 : 17,843.61 = 3,998.18 : x
  2. Step 2: Convert to fraction form
    11,895.55/17,843.61 = 3,998.18/x
  3. Step 3: Cross multiply
    11,895.55x = 17,843.61 × 3,998.18
  4. Step 4: Simplify right side
    11,895.55x = 71,341,964.63
  5. Step 5: Solve for x
    x = 71,341,964.63/11,895.55
  6. Step 6: Final answer
    x = 5,997.37

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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.