Home / 10,660.21-15,956.83-8,793.97

Finding the Fourth Proportional to 10,660.21, 15,956.83 and 8,793.97

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Solution

The fourth proportional to 10,660.21, 15,956.83 and 8,793.97 is: 13,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.21 : 15,956.83 = 8,793.97 : x
  2. Step 2: Convert to fraction form
    10,660.21/15,956.83 = 8,793.97/x
  3. Step 3: Cross multiply
    10,660.21x = 15,956.83 × 8,793.97
  4. Step 4: Simplify right side
    10,660.21x = 140,323,855.42
  5. Step 5: Solve for x
    x = 140,323,855.42/10,660.21
  6. Step 6: Final answer
    x = 13,163.33

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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.