Home / 11,163.28-16,740.33-4,143.70

Finding the Fourth Proportional to 11,163.28, 16,740.33 and 4,143.70

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Solution

The fourth proportional to 11,163.28, 16,740.33 and 4,143.70 is: 6,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.28 : 16,740.33 = 4,143.70 : x
  2. Step 2: Convert to fraction form
    11,163.28/16,740.33 = 4,143.70/x
  3. Step 3: Cross multiply
    11,163.28x = 16,740.33 × 4,143.70
  4. Step 4: Simplify right side
    11,163.28x = 69,366,905.42
  5. Step 5: Solve for x
    x = 69,366,905.42/11,163.28
  6. Step 6: Final answer
    x = 6,213.85

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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.