Home / 12,189.22-18,270.01-5,601.79

Finding the Fourth Proportional to 12,189.22, 18,270.01 and 5,601.79

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Solution

The fourth proportional to 12,189.22, 18,270.01 and 5,601.79 is: 8,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189.22 : 18,270.01 = 5,601.79 : x
  2. Step 2: Convert to fraction form
    12,189.22/18,270.01 = 5,601.79/x
  3. Step 3: Cross multiply
    12,189.22x = 18,270.01 × 5,601.79
  4. Step 4: Simplify right side
    12,189.22x = 102,344,759.32
  5. Step 5: Solve for x
    x = 102,344,759.32/12,189.22
  6. Step 6: Final answer
    x = 8,396.33

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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.