Home / 11,173.44-15,418.44-6,137.64

Finding the Fourth Proportional to 11,173.44, 15,418.44 and 6,137.64

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Solution

The fourth proportional to 11,173.44, 15,418.44 and 6,137.64 is: 8,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.44 : 15,418.44 = 6,137.64 : x
  2. Step 2: Convert to fraction form
    11,173.44/15,418.44 = 6,137.64/x
  3. Step 3: Cross multiply
    11,173.44x = 15,418.44 × 6,137.64
  4. Step 4: Simplify right side
    11,173.44x = 94,632,834.08
  5. Step 5: Solve for x
    x = 94,632,834.08/11,173.44
  6. Step 6: Final answer
    x = 8,469.44

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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.