Home / 12,260.44-16,922.88-7,227.58

Finding the Fourth Proportional to 12,260.44, 16,922.88 and 7,227.58

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Solution

The fourth proportional to 12,260.44, 16,922.88 and 7,227.58 is: 9,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.44 : 16,922.88 = 7,227.58 : x
  2. Step 2: Convert to fraction form
    12,260.44/16,922.88 = 7,227.58/x
  3. Step 3: Cross multiply
    12,260.44x = 16,922.88 × 7,227.58
  4. Step 4: Simplify right side
    12,260.44x = 122,311,469.03
  5. Step 5: Solve for x
    x = 122,311,469.03/12,260.44
  6. Step 6: Final answer
    x = 9,976.11

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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.