Home / 9,119.94-13,679.89-2,194.44

Finding the Fourth Proportional to 9,119.94, 13,679.89 and 2,194.44

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Solution

The fourth proportional to 9,119.94, 13,679.89 and 2,194.44 is: 3,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.94 : 13,679.89 = 2,194.44 : x
  2. Step 2: Convert to fraction form
    9,119.94/13,679.89 = 2,194.44/x
  3. Step 3: Cross multiply
    9,119.94x = 13,679.89 × 2,194.44
  4. Step 4: Simplify right side
    9,119.94x = 30,019,697.81
  5. Step 5: Solve for x
    x = 30,019,697.81/9,119.94
  6. Step 6: Final answer
    x = 3,291.66

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Similar ratio
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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.