Home / 10,807.37-16,211.97-3,409.85

Finding the Fourth Proportional to 10,807.37, 16,211.97 and 3,409.85

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Solution

The fourth proportional to 10,807.37, 16,211.97 and 3,409.85 is: 5,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.37 : 16,211.97 = 3,409.85 : x
  2. Step 2: Convert to fraction form
    10,807.37/16,211.97 = 3,409.85/x
  3. Step 3: Cross multiply
    10,807.37x = 16,211.97 × 3,409.85
  4. Step 4: Simplify right side
    10,807.37x = 55,280,296.32
  5. Step 5: Solve for x
    x = 55,280,296.32/10,807.37
  6. Step 6: Final answer
    x = 5,115.05

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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.