Home / 10,714.12-16,072.70-3,319.16

Finding the Fourth Proportional to 10,714.12, 16,072.70 and 3,319.16

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Solution

The fourth proportional to 10,714.12, 16,072.70 and 3,319.16 is: 4,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.12 : 16,072.70 = 3,319.16 : x
  2. Step 2: Convert to fraction form
    10,714.12/16,072.70 = 3,319.16/x
  3. Step 3: Cross multiply
    10,714.12x = 16,072.70 × 3,319.16
  4. Step 4: Simplify right side
    10,714.12x = 53,347,862.93
  5. Step 5: Solve for x
    x = 53,347,862.93/10,714.12
  6. Step 6: Final answer
    x = 4,979.21

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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.