Home / 10,126.38-15,199.30-4,935.90

Finding the Fourth Proportional to 10,126.38, 15,199.30 and 4,935.90

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Solution

The fourth proportional to 10,126.38, 15,199.30 and 4,935.90 is: 7,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.38 : 15,199.30 = 4,935.90 : x
  2. Step 2: Convert to fraction form
    10,126.38/15,199.30 = 4,935.90/x
  3. Step 3: Cross multiply
    10,126.38x = 15,199.30 × 4,935.90
  4. Step 4: Simplify right side
    10,126.38x = 75,022,224.87
  5. Step 5: Solve for x
    x = 75,022,224.87/10,126.38
  6. Step 6: Final answer
    x = 7,408.59

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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.