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Finding the Fourth Proportional to 14,352.60, 19,806.87 and 7,979.73

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Solution

The fourth proportional to 14,352.60, 19,806.87 and 7,979.73 is: 11,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.60 : 19,806.87 = 7,979.73 : x
  2. Step 2: Convert to fraction form
    14,352.60/19,806.87 = 7,979.73/x
  3. Step 3: Cross multiply
    14,352.60x = 19,806.87 × 7,979.73
  4. Step 4: Simplify right side
    14,352.60x = 158,053,474.75
  5. Step 5: Solve for x
    x = 158,053,474.75/14,352.60
  6. Step 6: Final answer
    x = 11,012.18

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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.