Home / 13,628.58-20,441.19-3,634.10

Finding the Fourth Proportional to 13,628.58, 20,441.19 and 3,634.10

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Solution

The fourth proportional to 13,628.58, 20,441.19 and 3,634.10 is: 5,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.58 : 20,441.19 = 3,634.10 : x
  2. Step 2: Convert to fraction form
    13,628.58/20,441.19 = 3,634.10/x
  3. Step 3: Cross multiply
    13,628.58x = 20,441.19 × 3,634.10
  4. Step 4: Simplify right side
    13,628.58x = 74,285,226.37
  5. Step 5: Solve for x
    x = 74,285,226.37/13,628.58
  6. Step 6: Final answer
    x = 5,450.69

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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.