Home / 10,828.92-16,241.94-3,434.12

Finding the Fourth Proportional to 10,828.92, 16,241.94 and 3,434.12

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Solution

The fourth proportional to 10,828.92, 16,241.94 and 3,434.12 is: 5,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.92 : 16,241.94 = 3,434.12 : x
  2. Step 2: Convert to fraction form
    10,828.92/16,241.94 = 3,434.12/x
  3. Step 3: Cross multiply
    10,828.92x = 16,241.94 × 3,434.12
  4. Step 4: Simplify right side
    10,828.92x = 55,776,770.99
  5. Step 5: Solve for x
    x = 55,776,770.99/10,828.92
  6. Step 6: Final answer
    x = 5,150.72

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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.