Home / 11,323.92-16,986.11-3,928.62

Finding the Fourth Proportional to 11,323.92, 16,986.11 and 3,928.62

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Solution

The fourth proportional to 11,323.92, 16,986.11 and 3,928.62 is: 5,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.92 : 16,986.11 = 3,928.62 : x
  2. Step 2: Convert to fraction form
    11,323.92/16,986.11 = 3,928.62/x
  3. Step 3: Cross multiply
    11,323.92x = 16,986.11 × 3,928.62
  4. Step 4: Simplify right side
    11,323.92x = 66,731,951.83
  5. Step 5: Solve for x
    x = 66,731,951.83/11,323.92
  6. Step 6: Final answer
    x = 5,893.01

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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.