Home / 12,183.46-18,274.01-8,259.92

Finding the Fourth Proportional to 12,183.46, 18,274.01 and 8,259.92

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Solution

The fourth proportional to 12,183.46, 18,274.01 and 8,259.92 is: 12,389.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.46 : 18,274.01 = 8,259.92 : x
  2. Step 2: Convert to fraction form
    12,183.46/18,274.01 = 8,259.92/x
  3. Step 3: Cross multiply
    12,183.46x = 18,274.01 × 8,259.92
  4. Step 4: Simplify right side
    12,183.46x = 150,941,899.33
  5. Step 5: Solve for x
    x = 150,941,899.33/12,183.46
  6. Step 6: Final answer
    x = 12,389.08

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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.