Home / 20,254.68-30,385.24-8,568

Finding the Fourth Proportional to 20,254.68, 30,385.24 and 8,568

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Solution

The fourth proportional to 20,254.68, 30,385.24 and 8,568 is: 12,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.68 : 30,385.24 = 8,568 : x
  2. Step 2: Convert to fraction form
    20,254.68/30,385.24 = 8,568/x
  3. Step 3: Cross multiply
    20,254.68x = 30,385.24 × 8,568
  4. Step 4: Simplify right side
    20,254.68x = 260,340,736.32
  5. Step 5: Solve for x
    x = 260,340,736.32/20,254.68
  6. Step 6: Final answer
    x = 12,853.36

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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.