Home / 11,107.08-16,657.10-3,313.80

Finding the Fourth Proportional to 11,107.08, 16,657.10 and 3,313.80

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Solution

The fourth proportional to 11,107.08, 16,657.10 and 3,313.80 is: 4,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.08 : 16,657.10 = 3,313.80 : x
  2. Step 2: Convert to fraction form
    11,107.08/16,657.10 = 3,313.80/x
  3. Step 3: Cross multiply
    11,107.08x = 16,657.10 × 3,313.80
  4. Step 4: Simplify right side
    11,107.08x = 55,198,297.98
  5. Step 5: Solve for x
    x = 55,198,297.98/11,107.08
  6. Step 6: Final answer
    x = 4,969.65

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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.