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Finding the Fourth Proportional to 13,718.27, 18,930.23 and 8,053.25

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Solution

The fourth proportional to 13,718.27, 18,930.23 and 8,053.25 is: 11,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.27 : 18,930.23 = 8,053.25 : x
  2. Step 2: Convert to fraction form
    13,718.27/18,930.23 = 8,053.25/x
  3. Step 3: Cross multiply
    13,718.27x = 18,930.23 × 8,053.25
  4. Step 4: Simplify right side
    13,718.27x = 152,449,739.83
  5. Step 5: Solve for x
    x = 152,449,739.83/13,718.27
  6. Step 6: Final answer
    x = 11,112.90

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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.