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Finding the Fourth Proportional to 14,798.92, 20,422.56 and 8,511.25

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Solution

The fourth proportional to 14,798.92, 20,422.56 and 8,511.25 is: 11,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.92 : 20,422.56 = 8,511.25 : x
  2. Step 2: Convert to fraction form
    14,798.92/20,422.56 = 8,511.25/x
  3. Step 3: Cross multiply
    14,798.92x = 20,422.56 × 8,511.25
  4. Step 4: Simplify right side
    14,798.92x = 173,821,513.80
  5. Step 5: Solve for x
    x = 173,821,513.80/14,798.92
  6. Step 6: Final answer
    x = 11,745.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.