Home / 10,872.42-16,308.63-3,080.22

Finding the Fourth Proportional to 10,872.42, 16,308.63 and 3,080.22

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Solution

The fourth proportional to 10,872.42, 16,308.63 and 3,080.22 is: 4,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.42 : 16,308.63 = 3,080.22 : x
  2. Step 2: Convert to fraction form
    10,872.42/16,308.63 = 3,080.22/x
  3. Step 3: Cross multiply
    10,872.42x = 16,308.63 × 3,080.22
  4. Step 4: Simplify right side
    10,872.42x = 50,234,168.30
  5. Step 5: Solve for x
    x = 50,234,168.30/10,872.42
  6. Step 6: Final answer
    x = 4,620.33

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Similar ratio
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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.