Home / 18,268.32-25,195.68-12,296.16

Finding the Fourth Proportional to 18,268.32, 25,195.68 and 12,296.16

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Solution

The fourth proportional to 18,268.32, 25,195.68 and 12,296.16 is: 16,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.32 : 25,195.68 = 12,296.16 : x
  2. Step 2: Convert to fraction form
    18,268.32/25,195.68 = 12,296.16/x
  3. Step 3: Cross multiply
    18,268.32x = 25,195.68 × 12,296.16
  4. Step 4: Simplify right side
    18,268.32x = 309,810,112.59
  5. Step 5: Solve for x
    x = 309,810,112.59/18,268.32
  6. Step 6: Final answer
    x = 16,958.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.