Home / 11,400.62-17,099.62-3,080.14

Finding the Fourth Proportional to 11,400.62, 17,099.62 and 3,080.14

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Solution

The fourth proportional to 11,400.62, 17,099.62 and 3,080.14 is: 4,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.62 : 17,099.62 = 3,080.14 : x
  2. Step 2: Convert to fraction form
    11,400.62/17,099.62 = 3,080.14/x
  3. Step 3: Cross multiply
    11,400.62x = 17,099.62 × 3,080.14
  4. Step 4: Simplify right side
    11,400.62x = 52,669,173.10
  5. Step 5: Solve for x
    x = 52,669,173.10/11,400.62
  6. Step 6: Final answer
    x = 4,619.85

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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.