Home / 10,680.80-16,020.88-3,284.96

Finding the Fourth Proportional to 10,680.80, 16,020.88 and 3,284.96

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Solution

The fourth proportional to 10,680.80, 16,020.88 and 3,284.96 is: 4,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.80 : 16,020.88 = 3,284.96 : x
  2. Step 2: Convert to fraction form
    10,680.80/16,020.88 = 3,284.96/x
  3. Step 3: Cross multiply
    10,680.80x = 16,020.88 × 3,284.96
  4. Step 4: Simplify right side
    10,680.80x = 52,627,949.96
  5. Step 5: Solve for x
    x = 52,627,949.96/10,680.80
  6. Step 6: Final answer
    x = 4,927.34

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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.