Home / 12,568.43-18,844.89-4,247.66

Finding the Fourth Proportional to 12,568.43, 18,844.89 and 4,247.66

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Solution

The fourth proportional to 12,568.43, 18,844.89 and 4,247.66 is: 6,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.43 : 18,844.89 = 4,247.66 : x
  2. Step 2: Convert to fraction form
    12,568.43/18,844.89 = 4,247.66/x
  3. Step 3: Cross multiply
    12,568.43x = 18,844.89 × 4,247.66
  4. Step 4: Simplify right side
    12,568.43x = 80,046,591.23
  5. Step 5: Solve for x
    x = 80,046,591.23/12,568.43
  6. Step 6: Final answer
    x = 6,368.86

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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.