Home / 17,939.76-26,900.64-11,379.12

Finding the Fourth Proportional to 17,939.76, 26,900.64 and 11,379.12

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Solution

The fourth proportional to 17,939.76, 26,900.64 and 11,379.12 is: 17,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.76 : 26,900.64 = 11,379.12 : x
  2. Step 2: Convert to fraction form
    17,939.76/26,900.64 = 11,379.12/x
  3. Step 3: Cross multiply
    17,939.76x = 26,900.64 × 11,379.12
  4. Step 4: Simplify right side
    17,939.76x = 306,105,610.64
  5. Step 5: Solve for x
    x = 306,105,610.64/17,939.76
  6. Step 6: Final answer
    x = 17,062.97

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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.