Home / 12,976.54-19,464.82-3,616.58

Finding the Fourth Proportional to 12,976.54, 19,464.82 and 3,616.58

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Solution

The fourth proportional to 12,976.54, 19,464.82 and 3,616.58 is: 5,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.54 : 19,464.82 = 3,616.58 : x
  2. Step 2: Convert to fraction form
    12,976.54/19,464.82 = 3,616.58/x
  3. Step 3: Cross multiply
    12,976.54x = 19,464.82 × 3,616.58
  4. Step 4: Simplify right side
    12,976.54x = 70,396,078.72
  5. Step 5: Solve for x
    x = 70,396,078.72/12,976.54
  6. Step 6: Final answer
    x = 5,424.87

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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.