Home / 11,105.09-16,657.24-2,785.18

Finding the Fourth Proportional to 11,105.09, 16,657.24 and 2,785.18

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Solution

The fourth proportional to 11,105.09, 16,657.24 and 2,785.18 is: 4,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.09 : 16,657.24 = 2,785.18 : x
  2. Step 2: Convert to fraction form
    11,105.09/16,657.24 = 2,785.18/x
  3. Step 3: Cross multiply
    11,105.09x = 16,657.24 × 2,785.18
  4. Step 4: Simplify right side
    11,105.09x = 46,393,411.70
  5. Step 5: Solve for x
    x = 46,393,411.70/11,105.09
  6. Step 6: Final answer
    x = 4,177.67

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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.