Home / 11,816.28-17,719.11-3,493.44

Finding the Fourth Proportional to 11,816.28, 17,719.11 and 3,493.44

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Solution

The fourth proportional to 11,816.28, 17,719.11 and 3,493.44 is: 5,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.28 : 17,719.11 = 3,493.44 : x
  2. Step 2: Convert to fraction form
    11,816.28/17,719.11 = 3,493.44/x
  3. Step 3: Cross multiply
    11,816.28x = 17,719.11 × 3,493.44
  4. Step 4: Simplify right side
    11,816.28x = 61,900,647.64
  5. Step 5: Solve for x
    x = 61,900,647.64/11,816.28
  6. Step 6: Final answer
    x = 5,238.59

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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.