Home / 10,891.44-16,339.89-3,100.25

Finding the Fourth Proportional to 10,891.44, 16,339.89 and 3,100.25

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Solution

The fourth proportional to 10,891.44, 16,339.89 and 3,100.25 is: 4,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.44 : 16,339.89 = 3,100.25 : x
  2. Step 2: Convert to fraction form
    10,891.44/16,339.89 = 3,100.25/x
  3. Step 3: Cross multiply
    10,891.44x = 16,339.89 × 3,100.25
  4. Step 4: Simplify right side
    10,891.44x = 50,657,743.97
  5. Step 5: Solve for x
    x = 50,657,743.97/10,891.44
  6. Step 6: Final answer
    x = 4,651.15

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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.