Home / 10,714.78-16,072.64-3,319.39

Finding the Fourth Proportional to 10,714.78, 16,072.64 and 3,319.39

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Solution

The fourth proportional to 10,714.78, 16,072.64 and 3,319.39 is: 4,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.78 : 16,072.64 = 3,319.39 : x
  2. Step 2: Convert to fraction form
    10,714.78/16,072.64 = 3,319.39/x
  3. Step 3: Cross multiply
    10,714.78x = 16,072.64 × 3,319.39
  4. Step 4: Simplify right side
    10,714.78x = 53,351,360.49
  5. Step 5: Solve for x
    x = 53,351,360.49/10,714.78
  6. Step 6: Final answer
    x = 4,979.23

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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.