Home / 12,190.06-18,279.92-4,793.34

Finding the Fourth Proportional to 12,190.06, 18,279.92 and 4,793.34

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Solution

The fourth proportional to 12,190.06, 18,279.92 and 4,793.34 is: 7,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.06 : 18,279.92 = 4,793.34 : x
  2. Step 2: Convert to fraction form
    12,190.06/18,279.92 = 4,793.34/x
  3. Step 3: Cross multiply
    12,190.06x = 18,279.92 × 4,793.34
  4. Step 4: Simplify right side
    12,190.06x = 87,621,871.73
  5. Step 5: Solve for x
    x = 87,621,871.73/12,190.06
  6. Step 6: Final answer
    x = 7,187.98

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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.