Home / 10,190.34-15,286.50-3,614.99

Finding the Fourth Proportional to 10,190.34, 15,286.50 and 3,614.99

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Solution

The fourth proportional to 10,190.34, 15,286.50 and 3,614.99 is: 5,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.34 : 15,286.50 = 3,614.99 : x
  2. Step 2: Convert to fraction form
    10,190.34/15,286.50 = 3,614.99/x
  3. Step 3: Cross multiply
    10,190.34x = 15,286.50 × 3,614.99
  4. Step 4: Simplify right side
    10,190.34x = 55,260,468.20
  5. Step 5: Solve for x
    x = 55,260,468.20/10,190.34
  6. Step 6: Final answer
    x = 5,422.83

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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.