Home / 11,719.44-17,545.68-10,800.72

Finding the Fourth Proportional to 11,719.44, 17,545.68 and 10,800.72

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Solution

The fourth proportional to 11,719.44, 17,545.68 and 10,800.72 is: 16,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.44 : 17,545.68 = 10,800.72 : x
  2. Step 2: Convert to fraction form
    11,719.44/17,545.68 = 10,800.72/x
  3. Step 3: Cross multiply
    11,719.44x = 17,545.68 × 10,800.72
  4. Step 4: Simplify right side
    11,719.44x = 189,505,976.89
  5. Step 5: Solve for x
    x = 189,505,976.89/11,719.44
  6. Step 6: Final answer
    x = 16,170.22

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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.