Home / 11,189.19-16,772.84-4,620.90

Finding the Fourth Proportional to 11,189.19, 16,772.84 and 4,620.90

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Solution

The fourth proportional to 11,189.19, 16,772.84 and 4,620.90 is: 6,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.19 : 16,772.84 = 4,620.90 : x
  2. Step 2: Convert to fraction form
    11,189.19/16,772.84 = 4,620.90/x
  3. Step 3: Cross multiply
    11,189.19x = 16,772.84 × 4,620.90
  4. Step 4: Simplify right side
    11,189.19x = 77,505,593.25
  5. Step 5: Solve for x
    x = 77,505,593.25/11,189.19
  6. Step 6: Final answer
    x = 6,926.83

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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.