Home / 13,216.20-19,824.36-3,355.45

Finding the Fourth Proportional to 13,216.20, 19,824.36 and 3,355.45

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Solution

The fourth proportional to 13,216.20, 19,824.36 and 3,355.45 is: 5,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.20 : 19,824.36 = 3,355.45 : x
  2. Step 2: Convert to fraction form
    13,216.20/19,824.36 = 3,355.45/x
  3. Step 3: Cross multiply
    13,216.20x = 19,824.36 × 3,355.45
  4. Step 4: Simplify right side
    13,216.20x = 66,519,647.09
  5. Step 5: Solve for x
    x = 66,519,647.09/13,216.20
  6. Step 6: Final answer
    x = 5,033.19

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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.