Home / 11,199.03-15,455.37-6,163.70

Finding the Fourth Proportional to 11,199.03, 15,455.37 and 6,163.70

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Solution

The fourth proportional to 11,199.03, 15,455.37 and 6,163.70 is: 8,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.03 : 15,455.37 = 6,163.70 : x
  2. Step 2: Convert to fraction form
    11,199.03/15,455.37 = 6,163.70/x
  3. Step 3: Cross multiply
    11,199.03x = 15,455.37 × 6,163.70
  4. Step 4: Simplify right side
    11,199.03x = 95,262,183.90
  5. Step 5: Solve for x
    x = 95,262,183.90/11,199.03
  6. Step 6: Final answer
    x = 8,506.29

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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.