Home / 11,684.62-17,516.49-4,287.36

Finding the Fourth Proportional to 11,684.62, 17,516.49 and 4,287.36

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Solution

The fourth proportional to 11,684.62, 17,516.49 and 4,287.36 is: 6,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.62 : 17,516.49 = 4,287.36 : x
  2. Step 2: Convert to fraction form
    11,684.62/17,516.49 = 4,287.36/x
  3. Step 3: Cross multiply
    11,684.62x = 17,516.49 × 4,287.36
  4. Step 4: Simplify right side
    11,684.62x = 75,099,548.18
  5. Step 5: Solve for x
    x = 75,099,548.18/11,684.62
  6. Step 6: Final answer
    x = 6,427.21

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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.