Home / 11,906.11-17,857.41-3,141.64

Finding the Fourth Proportional to 11,906.11, 17,857.41 and 3,141.64

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Solution

The fourth proportional to 11,906.11, 17,857.41 and 3,141.64 is: 4,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.11 : 17,857.41 = 3,141.64 : x
  2. Step 2: Convert to fraction form
    11,906.11/17,857.41 = 3,141.64/x
  3. Step 3: Cross multiply
    11,906.11x = 17,857.41 × 3,141.64
  4. Step 4: Simplify right side
    11,906.11x = 56,101,553.55
  5. Step 5: Solve for x
    x = 56,101,553.55/11,906.11
  6. Step 6: Final answer
    x = 4,712.00

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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.