Home / 17,714.98-26,581.56-12,172.78

Finding the Fourth Proportional to 17,714.98, 26,581.56 and 12,172.78

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Solution

The fourth proportional to 17,714.98, 26,581.56 and 12,172.78 is: 18,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,714.98 : 26,581.56 = 12,172.78 : x
  2. Step 2: Convert to fraction form
    17,714.98/26,581.56 = 12,172.78/x
  3. Step 3: Cross multiply
    17,714.98x = 26,581.56 × 12,172.78
  4. Step 4: Simplify right side
    17,714.98x = 323,571,481.94
  5. Step 5: Solve for x
    x = 323,571,481.94/17,714.98
  6. Step 6: Final answer
    x = 18,265.42

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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.