Home / 11,321.75-16,983.57-3,530.57

Finding the Fourth Proportional to 11,321.75, 16,983.57 and 3,530.57

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Solution

The fourth proportional to 11,321.75, 16,983.57 and 3,530.57 is: 5,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.75 : 16,983.57 = 3,530.57 : x
  2. Step 2: Convert to fraction form
    11,321.75/16,983.57 = 3,530.57/x
  3. Step 3: Cross multiply
    11,321.75x = 16,983.57 × 3,530.57
  4. Step 4: Simplify right side
    11,321.75x = 59,961,682.73
  5. Step 5: Solve for x
    x = 59,961,682.73/11,321.75
  6. Step 6: Final answer
    x = 5,296.15

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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.