Home / 12,251.16-18,375.73-3,928.93

Finding the Fourth Proportional to 12,251.16, 18,375.73 and 3,928.93

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Solution

The fourth proportional to 12,251.16, 18,375.73 and 3,928.93 is: 5,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.16 : 18,375.73 = 3,928.93 : x
  2. Step 2: Convert to fraction form
    12,251.16/18,375.73 = 3,928.93/x
  3. Step 3: Cross multiply
    12,251.16x = 18,375.73 × 3,928.93
  4. Step 4: Simplify right side
    12,251.16x = 72,196,956.87
  5. Step 5: Solve for x
    x = 72,196,956.87/12,251.16
  6. Step 6: Final answer
    x = 5,893.07

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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.