Home / 12,427.22-18,640.87-6,194.95

Finding the Fourth Proportional to 12,427.22, 18,640.87 and 6,194.95

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Solution

The fourth proportional to 12,427.22, 18,640.87 and 6,194.95 is: 9,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.22 : 18,640.87 = 6,194.95 : x
  2. Step 2: Convert to fraction form
    12,427.22/18,640.87 = 6,194.95/x
  3. Step 3: Cross multiply
    12,427.22x = 18,640.87 × 6,194.95
  4. Step 4: Simplify right side
    12,427.22x = 115,479,195.52
  5. Step 5: Solve for x
    x = 115,479,195.52/12,427.22
  6. Step 6: Final answer
    x = 9,292.44

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1.5x scale

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.