Home / 10,872.15-16,308.23-3,081.03

Finding the Fourth Proportional to 10,872.15, 16,308.23 and 3,081.03

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Solution

The fourth proportional to 10,872.15, 16,308.23 and 3,081.03 is: 4,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.15 : 16,308.23 = 3,081.03 : x
  2. Step 2: Convert to fraction form
    10,872.15/16,308.23 = 3,081.03/x
  3. Step 3: Cross multiply
    10,872.15x = 16,308.23 × 3,081.03
  4. Step 4: Simplify right side
    10,872.15x = 50,246,130.47
  5. Step 5: Solve for x
    x = 50,246,130.47/10,872.15
  6. Step 6: Final answer
    x = 4,621.55

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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.