Home / 18,120.08-27,183.96-8,766.80

Finding the Fourth Proportional to 18,120.08, 27,183.96 and 8,766.80

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Solution

The fourth proportional to 18,120.08, 27,183.96 and 8,766.80 is: 13,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.08 : 27,183.96 = 8,766.80 : x
  2. Step 2: Convert to fraction form
    18,120.08/27,183.96 = 8,766.80/x
  3. Step 3: Cross multiply
    18,120.08x = 27,183.96 × 8,766.80
  4. Step 4: Simplify right side
    18,120.08x = 238,316,340.53
  5. Step 5: Solve for x
    x = 238,316,340.53/18,120.08
  6. Step 6: Final answer
    x = 13,152.06

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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.