Home / 10,949.28-16,425.84-4,791.84

Finding the Fourth Proportional to 10,949.28, 16,425.84 and 4,791.84

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Solution

The fourth proportional to 10,949.28, 16,425.84 and 4,791.84 is: 7,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.28 : 16,425.84 = 4,791.84 : x
  2. Step 2: Convert to fraction form
    10,949.28/16,425.84 = 4,791.84/x
  3. Step 3: Cross multiply
    10,949.28x = 16,425.84 × 4,791.84
  4. Step 4: Simplify right side
    10,949.28x = 78,709,997.15
  5. Step 5: Solve for x
    x = 78,709,997.15/10,949.28
  6. Step 6: Final answer
    x = 7,188.60

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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.