Home / 12,133.85-18,195.19-6,294.56

Finding the Fourth Proportional to 12,133.85, 18,195.19 and 6,294.56

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Solution

The fourth proportional to 12,133.85, 18,195.19 and 6,294.56 is: 9,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.85 : 18,195.19 = 6,294.56 : x
  2. Step 2: Convert to fraction form
    12,133.85/18,195.19 = 6,294.56/x
  3. Step 3: Cross multiply
    12,133.85x = 18,195.19 × 6,294.56
  4. Step 4: Simplify right side
    12,133.85x = 114,530,608.45
  5. Step 5: Solve for x
    x = 114,530,608.45/12,133.85
  6. Step 6: Final answer
    x = 9,438.94

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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.