Home / 11,163.67-15,406.43-6,127.85

Finding the Fourth Proportional to 11,163.67, 15,406.43 and 6,127.85

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Solution

The fourth proportional to 11,163.67, 15,406.43 and 6,127.85 is: 8,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.67 : 15,406.43 = 6,127.85 : x
  2. Step 2: Convert to fraction form
    11,163.67/15,406.43 = 6,127.85/x
  3. Step 3: Cross multiply
    11,163.67x = 15,406.43 × 6,127.85
  4. Step 4: Simplify right side
    11,163.67x = 94,408,299.95
  5. Step 5: Solve for x
    x = 94,408,299.95/11,163.67
  6. Step 6: Final answer
    x = 8,456.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.