Home / 11,930.60-16,464.78-6,625.44

Finding the Fourth Proportional to 11,930.60, 16,464.78 and 6,625.44

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Solution

The fourth proportional to 11,930.60, 16,464.78 and 6,625.44 is: 9,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.60 : 16,464.78 = 6,625.44 : x
  2. Step 2: Convert to fraction form
    11,930.60/16,464.78 = 6,625.44/x
  3. Step 3: Cross multiply
    11,930.60x = 16,464.78 × 6,625.44
  4. Step 4: Simplify right side
    11,930.60x = 109,086,378.88
  5. Step 5: Solve for x
    x = 109,086,378.88/11,930.60
  6. Step 6: Final answer
    x = 9,143.41

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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.