Home / 11,115.32-16,662.06-4,093.64

Finding the Fourth Proportional to 11,115.32, 16,662.06 and 4,093.64

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Solution

The fourth proportional to 11,115.32, 16,662.06 and 4,093.64 is: 6,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.32 : 16,662.06 = 4,093.64 : x
  2. Step 2: Convert to fraction form
    11,115.32/16,662.06 = 4,093.64/x
  3. Step 3: Cross multiply
    11,115.32x = 16,662.06 × 4,093.64
  4. Step 4: Simplify right side
    11,115.32x = 68,208,475.30
  5. Step 5: Solve for x
    x = 68,208,475.30/11,115.32
  6. Step 6: Final answer
    x = 6,136.44

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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.