Home / 10,770.28-16,147.84-3,748.68

Finding the Fourth Proportional to 10,770.28, 16,147.84 and 3,748.68

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Solution

The fourth proportional to 10,770.28, 16,147.84 and 3,748.68 is: 5,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.28 : 16,147.84 = 3,748.68 : x
  2. Step 2: Convert to fraction form
    10,770.28/16,147.84 = 3,748.68/x
  3. Step 3: Cross multiply
    10,770.28x = 16,147.84 × 3,748.68
  4. Step 4: Simplify right side
    10,770.28x = 60,533,084.85
  5. Step 5: Solve for x
    x = 60,533,084.85/10,770.28
  6. Step 6: Final answer
    x = 5,620.38

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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.