Home / 17,418.08-26,112.45-14,123

Finding the Fourth Proportional to 17,418.08, 26,112.45 and 14,123

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Solution

The fourth proportional to 17,418.08, 26,112.45 and 14,123 is: 21,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.08 : 26,112.45 = 14,123 : x
  2. Step 2: Convert to fraction form
    17,418.08/26,112.45 = 14,123/x
  3. Step 3: Cross multiply
    17,418.08x = 26,112.45 × 14,123
  4. Step 4: Simplify right side
    17,418.08x = 368,786,131.35
  5. Step 5: Solve for x
    x = 368,786,131.35/17,418.08
  6. Step 6: Final answer
    x = 21,172.61

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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.