Home / 10,770.32-16,145.70-3,843.20

Finding the Fourth Proportional to 10,770.32, 16,145.70 and 3,843.20

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Solution

The fourth proportional to 10,770.32, 16,145.70 and 3,843.20 is: 5,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.32 : 16,145.70 = 3,843.20 : x
  2. Step 2: Convert to fraction form
    10,770.32/16,145.70 = 3,843.20/x
  3. Step 3: Cross multiply
    10,770.32x = 16,145.70 × 3,843.20
  4. Step 4: Simplify right side
    10,770.32x = 62,051,154.24
  5. Step 5: Solve for x
    x = 62,051,154.24/10,770.32
  6. Step 6: Final answer
    x = 5,761.31

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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.