Home / 12,961.36-19,441.41-3,601.32

Finding the Fourth Proportional to 12,961.36, 19,441.41 and 3,601.32

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Solution

The fourth proportional to 12,961.36, 19,441.41 and 3,601.32 is: 5,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.36 : 19,441.41 = 3,601.32 : x
  2. Step 2: Convert to fraction form
    12,961.36/19,441.41 = 3,601.32/x
  3. Step 3: Cross multiply
    12,961.36x = 19,441.41 × 3,601.32
  4. Step 4: Simplify right side
    12,961.36x = 70,014,738.66
  5. Step 5: Solve for x
    x = 70,014,738.66/12,961.36
  6. Step 6: Final answer
    x = 5,401.80

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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.