Home / 11,118.69-16,684.58-4,103.64

Finding the Fourth Proportional to 11,118.69, 16,684.58 and 4,103.64

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Solution

The fourth proportional to 11,118.69, 16,684.58 and 4,103.64 is: 6,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.69 : 16,684.58 = 4,103.64 : x
  2. Step 2: Convert to fraction form
    11,118.69/16,684.58 = 4,103.64/x
  3. Step 3: Cross multiply
    11,118.69x = 16,684.58 × 4,103.64
  4. Step 4: Simplify right side
    11,118.69x = 68,467,520.13
  5. Step 5: Solve for x
    x = 68,467,520.13/11,118.69
  6. Step 6: Final answer
    x = 6,157.88

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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.