Home / 10,198.85-15,298.84-2,803.14

Finding the Fourth Proportional to 10,198.85, 15,298.84 and 2,803.14

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Solution

The fourth proportional to 10,198.85, 15,298.84 and 2,803.14 is: 4,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.85 : 15,298.84 = 2,803.14 : x
  2. Step 2: Convert to fraction form
    10,198.85/15,298.84 = 2,803.14/x
  3. Step 3: Cross multiply
    10,198.85x = 15,298.84 × 2,803.14
  4. Step 4: Simplify right side
    10,198.85x = 42,884,793.86
  5. Step 5: Solve for x
    x = 42,884,793.86/10,198.85
  6. Step 6: Final answer
    x = 4,204.87

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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.