Home / 11,286.42-16,922.94-4,620.93

Finding the Fourth Proportional to 11,286.42, 16,922.94 and 4,620.93

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Solution

The fourth proportional to 11,286.42, 16,922.94 and 4,620.93 is: 6,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.42 : 16,922.94 = 4,620.93 : x
  2. Step 2: Convert to fraction form
    11,286.42/16,922.94 = 4,620.93/x
  3. Step 3: Cross multiply
    11,286.42x = 16,922.94 × 4,620.93
  4. Step 4: Simplify right side
    11,286.42x = 78,199,721.13
  5. Step 5: Solve for x
    x = 78,199,721.13/11,286.42
  6. Step 6: Final answer
    x = 6,928.66

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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.