Home / 19,828.73-29,745.83-11,512.66

Finding the Fourth Proportional to 19,828.73, 29,745.83 and 11,512.66

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Solution

The fourth proportional to 19,828.73, 29,745.83 and 11,512.66 is: 17,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.73 : 29,745.83 = 11,512.66 : x
  2. Step 2: Convert to fraction form
    19,828.73/29,745.83 = 11,512.66/x
  3. Step 3: Cross multiply
    19,828.73x = 29,745.83 × 11,512.66
  4. Step 4: Simplify right side
    19,828.73x = 342,453,495.28
  5. Step 5: Solve for x
    x = 342,453,495.28/19,828.73
  6. Step 6: Final answer
    x = 17,270.58

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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.