Home / 10,080.27-15,120.39-2,684.75

Finding the Fourth Proportional to 10,080.27, 15,120.39 and 2,684.75

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Solution

The fourth proportional to 10,080.27, 15,120.39 and 2,684.75 is: 4,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.27 : 15,120.39 = 2,684.75 : x
  2. Step 2: Convert to fraction form
    10,080.27/15,120.39 = 2,684.75/x
  3. Step 3: Cross multiply
    10,080.27x = 15,120.39 × 2,684.75
  4. Step 4: Simplify right side
    10,080.27x = 40,594,471.47
  5. Step 5: Solve for x
    x = 40,594,471.47/10,080.27
  6. Step 6: Final answer
    x = 4,027.12

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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.