Home / 17,814.54-26,665.92-11,879.76

Finding the Fourth Proportional to 17,814.54, 26,665.92 and 11,879.76

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Solution

The fourth proportional to 17,814.54, 26,665.92 and 11,879.76 is: 17,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,814.54 : 26,665.92 = 11,879.76 : x
  2. Step 2: Convert to fraction form
    17,814.54/26,665.92 = 11,879.76/x
  3. Step 3: Cross multiply
    17,814.54x = 26,665.92 × 11,879.76
  4. Step 4: Simplify right side
    17,814.54x = 316,784,729.78
  5. Step 5: Solve for x
    x = 316,784,729.78/17,814.54
  6. Step 6: Final answer
    x = 17,782.37

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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.