Home / 18,169.08-27,268.10-12,366.20

Finding the Fourth Proportional to 18,169.08, 27,268.10 and 12,366.20

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Solution

The fourth proportional to 18,169.08, 27,268.10 and 12,366.20 is: 18,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.08 : 27,268.10 = 12,366.20 : x
  2. Step 2: Convert to fraction form
    18,169.08/27,268.10 = 12,366.20/x
  3. Step 3: Cross multiply
    18,169.08x = 27,268.10 × 12,366.20
  4. Step 4: Simplify right side
    18,169.08x = 337,202,778.22
  5. Step 5: Solve for x
    x = 337,202,778.22/18,169.08
  6. Step 6: Final answer
    x = 18,559.16

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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.