Home / 11,199.40-15,454.83-6,163.61

Finding the Fourth Proportional to 11,199.40, 15,454.83 and 6,163.61

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Solution

The fourth proportional to 11,199.40, 15,454.83 and 6,163.61 is: 8,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.40 : 15,454.83 = 6,163.61 : x
  2. Step 2: Convert to fraction form
    11,199.40/15,454.83 = 6,163.61/x
  3. Step 3: Cross multiply
    11,199.40x = 15,454.83 × 6,163.61
  4. Step 4: Simplify right side
    11,199.40x = 95,257,544.74
  5. Step 5: Solve for x
    x = 95,257,544.74/11,199.40
  6. Step 6: Final answer
    x = 8,505.60

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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.