Home / 11,199.09-15,455.12-6,163.50

Finding the Fourth Proportional to 11,199.09, 15,455.12 and 6,163.50

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Solution

The fourth proportional to 11,199.09, 15,455.12 and 6,163.50 is: 8,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.09 : 15,455.12 = 6,163.50 : x
  2. Step 2: Convert to fraction form
    11,199.09/15,455.12 = 6,163.50/x
  3. Step 3: Cross multiply
    11,199.09x = 15,455.12 × 6,163.50
  4. Step 4: Simplify right side
    11,199.09x = 95,257,601.30
  5. Step 5: Solve for x
    x = 95,257,601.30/11,199.09
  6. Step 6: Final answer
    x = 8,505.83

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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.