Home / 11,910.29-17,866.62-4,118.09

Finding the Fourth Proportional to 11,910.29, 17,866.62 and 4,118.09

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Solution

The fourth proportional to 11,910.29, 17,866.62 and 4,118.09 is: 6,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.29 : 17,866.62 = 4,118.09 : x
  2. Step 2: Convert to fraction form
    11,910.29/17,866.62 = 4,118.09/x
  3. Step 3: Cross multiply
    11,910.29x = 17,866.62 × 4,118.09
  4. Step 4: Simplify right side
    11,910.29x = 73,576,259.82
  5. Step 5: Solve for x
    x = 73,576,259.82/11,910.29
  6. Step 6: Final answer
    x = 6,177.54

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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.