Home / 20,595.45-30,892.46-8,741.61

Finding the Fourth Proportional to 20,595.45, 30,892.46 and 8,741.61

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Solution

The fourth proportional to 20,595.45, 30,892.46 and 8,741.61 is: 13,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.45 : 30,892.46 = 8,741.61 : x
  2. Step 2: Convert to fraction form
    20,595.45/30,892.46 = 8,741.61/x
  3. Step 3: Cross multiply
    20,595.45x = 30,892.46 × 8,741.61
  4. Step 4: Simplify right side
    20,595.45x = 270,049,793.55
  5. Step 5: Solve for x
    x = 270,049,793.55/20,595.45
  6. Step 6: Final answer
    x = 13,112.11

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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.