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Finding the Fourth Proportional to 13,448.04, 18,559.92 and 8,144.68

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Solution

The fourth proportional to 13,448.04, 18,559.92 and 8,144.68 is: 11,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.04 : 18,559.92 = 8,144.68 : x
  2. Step 2: Convert to fraction form
    13,448.04/18,559.92 = 8,144.68/x
  3. Step 3: Cross multiply
    13,448.04x = 18,559.92 × 8,144.68
  4. Step 4: Simplify right side
    13,448.04x = 151,164,609.23
  5. Step 5: Solve for x
    x = 151,164,609.23/13,448.04
  6. Step 6: Final answer
    x = 11,240.64

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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.