Home / 11,185.09-16,767.20-3,784.39

Finding the Fourth Proportional to 11,185.09, 16,767.20 and 3,784.39

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Solution

The fourth proportional to 11,185.09, 16,767.20 and 3,784.39 is: 5,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.09 : 16,767.20 = 3,784.39 : x
  2. Step 2: Convert to fraction form
    11,185.09/16,767.20 = 3,784.39/x
  3. Step 3: Cross multiply
    11,185.09x = 16,767.20 × 3,784.39
  4. Step 4: Simplify right side
    11,185.09x = 63,453,624.01
  5. Step 5: Solve for x
    x = 63,453,624.01/11,185.09
  6. Step 6: Final answer
    x = 5,673.05

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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.