Home / 11,908.11-17,857.99-4,886.09

Finding the Fourth Proportional to 11,908.11, 17,857.99 and 4,886.09

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Solution

The fourth proportional to 11,908.11, 17,857.99 and 4,886.09 is: 7,327.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.11 : 17,857.99 = 4,886.09 : x
  2. Step 2: Convert to fraction form
    11,908.11/17,857.99 = 4,886.09/x
  3. Step 3: Cross multiply
    11,908.11x = 17,857.99 × 4,886.09
  4. Step 4: Simplify right side
    11,908.11x = 87,255,721.93
  5. Step 5: Solve for x
    x = 87,255,721.93/11,908.11
  6. Step 6: Final answer
    x = 7,327.42

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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.