Home / 10,780.44-16,170.24-3,385.14

Finding the Fourth Proportional to 10,780.44, 16,170.24 and 3,385.14

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Solution

The fourth proportional to 10,780.44, 16,170.24 and 3,385.14 is: 5,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.44 : 16,170.24 = 3,385.14 : x
  2. Step 2: Convert to fraction form
    10,780.44/16,170.24 = 3,385.14/x
  3. Step 3: Cross multiply
    10,780.44x = 16,170.24 × 3,385.14
  4. Step 4: Simplify right side
    10,780.44x = 54,738,526.23
  5. Step 5: Solve for x
    x = 54,738,526.23/10,780.44
  6. Step 6: Final answer
    x = 5,077.58

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1.5x scale

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.