Home / 11,639.84-17,459.44-2,874.56

Finding the Fourth Proportional to 11,639.84, 17,459.44 and 2,874.56

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Solution

The fourth proportional to 11,639.84, 17,459.44 and 2,874.56 is: 4,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.84 : 17,459.44 = 2,874.56 : x
  2. Step 2: Convert to fraction form
    11,639.84/17,459.44 = 2,874.56/x
  3. Step 3: Cross multiply
    11,639.84x = 17,459.44 × 2,874.56
  4. Step 4: Simplify right side
    11,639.84x = 50,188,207.85
  5. Step 5: Solve for x
    x = 50,188,207.85/11,639.84
  6. Step 6: Final answer
    x = 4,311.76

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Double scale
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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.