Home / 11,745.12-17,617.80-3,953.94

Finding the Fourth Proportional to 11,745.12, 17,617.80 and 3,953.94

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Solution

The fourth proportional to 11,745.12, 17,617.80 and 3,953.94 is: 5,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.12 : 17,617.80 = 3,953.94 : x
  2. Step 2: Convert to fraction form
    11,745.12/17,617.80 = 3,953.94/x
  3. Step 3: Cross multiply
    11,745.12x = 17,617.80 × 3,953.94
  4. Step 4: Simplify right side
    11,745.12x = 69,659,724.13
  5. Step 5: Solve for x
    x = 69,659,724.13/11,745.12
  6. Step 6: Final answer
    x = 5,930.95

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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.