Home / 10,745.82-16,113.56-8,399.88

Finding the Fourth Proportional to 10,745.82, 16,113.56 and 8,399.88

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Solution

The fourth proportional to 10,745.82, 16,113.56 and 8,399.88 is: 12,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.82 : 16,113.56 = 8,399.88 : x
  2. Step 2: Convert to fraction form
    10,745.82/16,113.56 = 8,399.88/x
  3. Step 3: Cross multiply
    10,745.82x = 16,113.56 × 8,399.88
  4. Step 4: Simplify right side
    10,745.82x = 135,351,928.37
  5. Step 5: Solve for x
    x = 135,351,928.37/10,745.82
  6. Step 6: Final answer
    x = 12,595.77

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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.