Home / 11,321.66-16,981.67-3,530.27

Finding the Fourth Proportional to 11,321.66, 16,981.67 and 3,530.27

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Solution

The fourth proportional to 11,321.66, 16,981.67 and 3,530.27 is: 5,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.66 : 16,981.67 = 3,530.27 : x
  2. Step 2: Convert to fraction form
    11,321.66/16,981.67 = 3,530.27/x
  3. Step 3: Cross multiply
    11,321.66x = 16,981.67 × 3,530.27
  4. Step 4: Simplify right side
    11,321.66x = 59,949,777.59
  5. Step 5: Solve for x
    x = 59,949,777.59/11,321.66
  6. Step 6: Final answer
    x = 5,295.14

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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.