Home / 18,556.67-27,797.92-11,157.08

Finding the Fourth Proportional to 18,556.67, 27,797.92 and 11,157.08

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Solution

The fourth proportional to 18,556.67, 27,797.92 and 11,157.08 is: 16,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.67 : 27,797.92 = 11,157.08 : x
  2. Step 2: Convert to fraction form
    18,556.67/27,797.92 = 11,157.08/x
  3. Step 3: Cross multiply
    18,556.67x = 27,797.92 × 11,157.08
  4. Step 4: Simplify right side
    18,556.67x = 310,143,450.39
  5. Step 5: Solve for x
    x = 310,143,450.39/18,556.67
  6. Step 6: Final answer
    x = 16,713.31

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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.