Home / 11,222.82-16,834.26-3,431.64

Finding the Fourth Proportional to 11,222.82, 16,834.26 and 3,431.64

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Solution

The fourth proportional to 11,222.82, 16,834.26 and 3,431.64 is: 5,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.82 : 16,834.26 = 3,431.64 : x
  2. Step 2: Convert to fraction form
    11,222.82/16,834.26 = 3,431.64/x
  3. Step 3: Cross multiply
    11,222.82x = 16,834.26 × 3,431.64
  4. Step 4: Simplify right side
    11,222.82x = 57,769,119.99
  5. Step 5: Solve for x
    x = 57,769,119.99/11,222.82
  6. Step 6: Final answer
    x = 5,147.47

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1.5x scale

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.