Home / 18,183.18-27,247.41-12,319.50

Finding the Fourth Proportional to 18,183.18, 27,247.41 and 12,319.50

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Solution

The fourth proportional to 18,183.18, 27,247.41 and 12,319.50 is: 18,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.18 : 27,247.41 = 12,319.50 : x
  2. Step 2: Convert to fraction form
    18,183.18/27,247.41 = 12,319.50/x
  3. Step 3: Cross multiply
    18,183.18x = 27,247.41 × 12,319.50
  4. Step 4: Simplify right side
    18,183.18x = 335,674,467.50
  5. Step 5: Solve for x
    x = 335,674,467.50/18,183.18
  6. Step 6: Final answer
    x = 18,460.71

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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.