Home / 10,872.45-16,308.84-3,081.26

Finding the Fourth Proportional to 10,872.45, 16,308.84 and 3,081.26

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Solution

The fourth proportional to 10,872.45, 16,308.84 and 3,081.26 is: 4,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.45 : 16,308.84 = 3,081.26 : x
  2. Step 2: Convert to fraction form
    10,872.45/16,308.84 = 3,081.26/x
  3. Step 3: Cross multiply
    10,872.45x = 16,308.84 × 3,081.26
  4. Step 4: Simplify right side
    10,872.45x = 50,251,694.79
  5. Step 5: Solve for x
    x = 50,251,694.79/10,872.45
  6. Step 6: Final answer
    x = 4,621.93

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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.