Home / 11,110.11-16,664.64-2,789.94

Finding the Fourth Proportional to 11,110.11, 16,664.64 and 2,789.94

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Solution

The fourth proportional to 11,110.11, 16,664.64 and 2,789.94 is: 4,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.11 : 16,664.64 = 2,789.94 : x
  2. Step 2: Convert to fraction form
    11,110.11/16,664.64 = 2,789.94/x
  3. Step 3: Cross multiply
    11,110.11x = 16,664.64 × 2,789.94
  4. Step 4: Simplify right side
    11,110.11x = 46,493,397.75
  5. Step 5: Solve for x
    x = 46,493,397.75/11,110.11
  6. Step 6: Final answer
    x = 4,184.78

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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.