Home / 12,729.82-19,092.19-4,295.50

Finding the Fourth Proportional to 12,729.82, 19,092.19 and 4,295.50

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Solution

The fourth proportional to 12,729.82, 19,092.19 and 4,295.50 is: 6,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.82 : 19,092.19 = 4,295.50 : x
  2. Step 2: Convert to fraction form
    12,729.82/19,092.19 = 4,295.50/x
  3. Step 3: Cross multiply
    12,729.82x = 19,092.19 × 4,295.50
  4. Step 4: Simplify right side
    12,729.82x = 82,010,502.15
  5. Step 5: Solve for x
    x = 82,010,502.15/12,729.82
  6. Step 6: Final answer
    x = 6,442.39

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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.