Home / 11,941.05-16,467.64-8,118.44

Finding the Fourth Proportional to 11,941.05, 16,467.64 and 8,118.44

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Solution

The fourth proportional to 11,941.05, 16,467.64 and 8,118.44 is: 11,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.05 : 16,467.64 = 8,118.44 : x
  2. Step 2: Convert to fraction form
    11,941.05/16,467.64 = 8,118.44/x
  3. Step 3: Cross multiply
    11,941.05x = 16,467.64 × 8,118.44
  4. Step 4: Simplify right side
    11,941.05x = 133,691,444.65
  5. Step 5: Solve for x
    x = 133,691,444.65/11,941.05
  6. Step 6: Final answer
    x = 11,195.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.