Home / 11,991.95-17,986.55-3,227.54

Finding the Fourth Proportional to 11,991.95, 17,986.55 and 3,227.54

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Solution

The fourth proportional to 11,991.95, 17,986.55 and 3,227.54 is: 4,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.95 : 17,986.55 = 3,227.54 : x
  2. Step 2: Convert to fraction form
    11,991.95/17,986.55 = 3,227.54/x
  3. Step 3: Cross multiply
    11,991.95x = 17,986.55 × 3,227.54
  4. Step 4: Simplify right side
    11,991.95x = 58,052,203.52
  5. Step 5: Solve for x
    x = 58,052,203.52/11,991.95
  6. Step 6: Final answer
    x = 4,840.93

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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.