Home / 12,183.44-18,267.24-4,788.62

Finding the Fourth Proportional to 12,183.44, 18,267.24 and 4,788.62

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Solution

The fourth proportional to 12,183.44, 18,267.24 and 4,788.62 is: 7,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.44 : 18,267.24 = 4,788.62 : x
  2. Step 2: Convert to fraction form
    12,183.44/18,267.24 = 4,788.62/x
  3. Step 3: Cross multiply
    12,183.44x = 18,267.24 × 4,788.62
  4. Step 4: Simplify right side
    12,183.44x = 87,474,870.81
  5. Step 5: Solve for x
    x = 87,474,870.81/12,183.44
  6. Step 6: Final answer
    x = 7,179.82

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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.