Home / 11,163.21-16,747.55-5,156.48

Finding the Fourth Proportional to 11,163.21, 16,747.55 and 5,156.48

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Solution

The fourth proportional to 11,163.21, 16,747.55 and 5,156.48 is: 7,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.21 : 16,747.55 = 5,156.48 : x
  2. Step 2: Convert to fraction form
    11,163.21/16,747.55 = 5,156.48/x
  3. Step 3: Cross multiply
    11,163.21x = 16,747.55 × 5,156.48
  4. Step 4: Simplify right side
    11,163.21x = 86,358,406.62
  5. Step 5: Solve for x
    x = 86,358,406.62/11,163.21
  6. Step 6: Final answer
    x = 7,735.98

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1.5x scale

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.