Home / 12,329.56-17,016.92-11,919.50

Finding the Fourth Proportional to 12,329.56, 17,016.92 and 11,919.50

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Solution

The fourth proportional to 12,329.56, 17,016.92 and 11,919.50 is: 16,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.56 : 17,016.92 = 11,919.50 : x
  2. Step 2: Convert to fraction form
    12,329.56/17,016.92 = 11,919.50/x
  3. Step 3: Cross multiply
    12,329.56x = 17,016.92 × 11,919.50
  4. Step 4: Simplify right side
    12,329.56x = 202,833,177.94
  5. Step 5: Solve for x
    x = 202,833,177.94/12,329.56
  6. Step 6: Final answer
    x = 16,450.97

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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.