Home / 13,317.54-19,976.35-3,456.90

Finding the Fourth Proportional to 13,317.54, 19,976.35 and 3,456.90

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Solution

The fourth proportional to 13,317.54, 19,976.35 and 3,456.90 is: 5,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.54 : 19,976.35 = 3,456.90 : x
  2. Step 2: Convert to fraction form
    13,317.54/19,976.35 = 3,456.90/x
  3. Step 3: Cross multiply
    13,317.54x = 19,976.35 × 3,456.90
  4. Step 4: Simplify right side
    13,317.54x = 69,056,288.62
  5. Step 5: Solve for x
    x = 69,056,288.62/13,317.54
  6. Step 6: Final answer
    x = 5,185.36

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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.