Home / 12,788.96-19,183.44-4,892.28

Finding the Fourth Proportional to 12,788.96, 19,183.44 and 4,892.28

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Solution

The fourth proportional to 12,788.96, 19,183.44 and 4,892.28 is: 7,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.96 : 19,183.44 = 4,892.28 : x
  2. Step 2: Convert to fraction form
    12,788.96/19,183.44 = 4,892.28/x
  3. Step 3: Cross multiply
    12,788.96x = 19,183.44 × 4,892.28
  4. Step 4: Simplify right side
    12,788.96x = 93,850,759.84
  5. Step 5: Solve for x
    x = 93,850,759.84/12,788.96
  6. Step 6: Final answer
    x = 7,338.42

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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.