Home / 18,189.36-27,284.04-11,268.72

Finding the Fourth Proportional to 18,189.36, 27,284.04 and 11,268.72

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Solution

The fourth proportional to 18,189.36, 27,284.04 and 11,268.72 is: 16,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.36 : 27,284.04 = 11,268.72 : x
  2. Step 2: Convert to fraction form
    18,189.36/27,284.04 = 11,268.72/x
  3. Step 3: Cross multiply
    18,189.36x = 27,284.04 × 11,268.72
  4. Step 4: Simplify right side
    18,189.36x = 307,456,207.23
  5. Step 5: Solve for x
    x = 307,456,207.23/18,189.36
  6. Step 6: Final answer
    x = 16,903.08

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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.