Home / 11,778.48-17,663.40-3,456.36

Finding the Fourth Proportional to 11,778.48, 17,663.40 and 3,456.36

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Solution

The fourth proportional to 11,778.48, 17,663.40 and 3,456.36 is: 5,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.48 : 17,663.40 = 3,456.36 : x
  2. Step 2: Convert to fraction form
    11,778.48/17,663.40 = 3,456.36/x
  3. Step 3: Cross multiply
    11,778.48x = 17,663.40 × 3,456.36
  4. Step 4: Simplify right side
    11,778.48x = 61,051,069.22
  5. Step 5: Solve for x
    x = 61,051,069.22/11,778.48
  6. Step 6: Final answer
    x = 5,183.27

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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.