Home / 13,216.35-19,824.42-3,355.49

Finding the Fourth Proportional to 13,216.35, 19,824.42 and 3,355.49

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Solution

The fourth proportional to 13,216.35, 19,824.42 and 3,355.49 is: 5,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.35 : 19,824.42 = 3,355.49 : x
  2. Step 2: Convert to fraction form
    13,216.35/19,824.42 = 3,355.49/x
  3. Step 3: Cross multiply
    13,216.35x = 19,824.42 × 3,355.49
  4. Step 4: Simplify right side
    13,216.35x = 66,520,543.94
  5. Step 5: Solve for x
    x = 66,520,543.94/13,216.35
  6. Step 6: Final answer
    x = 5,033.20

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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.