Home / 12,190.41-18,286.95-4,793.88

Finding the Fourth Proportional to 12,190.41, 18,286.95 and 4,793.88

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Solution

The fourth proportional to 12,190.41, 18,286.95 and 4,793.88 is: 7,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.41 : 18,286.95 = 4,793.88 : x
  2. Step 2: Convert to fraction form
    12,190.41/18,286.95 = 4,793.88/x
  3. Step 3: Cross multiply
    12,190.41x = 18,286.95 × 4,793.88
  4. Step 4: Simplify right side
    12,190.41x = 87,665,443.87
  5. Step 5: Solve for x
    x = 87,665,443.87/12,190.41
  6. Step 6: Final answer
    x = 7,191.34

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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.