Home / 11,210.45-16,811.74-3,310.86

Finding the Fourth Proportional to 11,210.45, 16,811.74 and 3,310.86

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Solution

The fourth proportional to 11,210.45, 16,811.74 and 3,310.86 is: 4,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.45 : 16,811.74 = 3,310.86 : x
  2. Step 2: Convert to fraction form
    11,210.45/16,811.74 = 3,310.86/x
  3. Step 3: Cross multiply
    11,210.45x = 16,811.74 × 3,310.86
  4. Step 4: Simplify right side
    11,210.45x = 55,661,309.22
  5. Step 5: Solve for x
    x = 55,661,309.22/11,210.45
  6. Step 6: Final answer
    x = 4,965.13

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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.