Home / 19,914.66-29,796.93-11,879.73

Finding the Fourth Proportional to 19,914.66, 29,796.93 and 11,879.73

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Solution

The fourth proportional to 19,914.66, 29,796.93 and 11,879.73 is: 17,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,914.66 : 29,796.93 = 11,879.73 : x
  2. Step 2: Convert to fraction form
    19,914.66/29,796.93 = 11,879.73/x
  3. Step 3: Cross multiply
    19,914.66x = 29,796.93 × 11,879.73
  4. Step 4: Simplify right side
    19,914.66x = 353,979,483.23
  5. Step 5: Solve for x
    x = 353,979,483.23/19,914.66
  6. Step 6: Final answer
    x = 17,774.82

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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.