Home / 19,828.98-29,734.05-11,511.54

Finding the Fourth Proportional to 19,828.98, 29,734.05 and 11,511.54

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Solution

The fourth proportional to 19,828.98, 29,734.05 and 11,511.54 is: 17,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.98 : 29,734.05 = 11,511.54 : x
  2. Step 2: Convert to fraction form
    19,828.98/29,734.05 = 11,511.54/x
  3. Step 3: Cross multiply
    19,828.98x = 29,734.05 × 11,511.54
  4. Step 4: Simplify right side
    19,828.98x = 342,284,705.94
  5. Step 5: Solve for x
    x = 342,284,705.94/19,828.98
  6. Step 6: Final answer
    x = 17,261.84

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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.