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Finding the Fourth Proportional to 13,104.48, 19,656.48 and 3,243.76

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Solution

The fourth proportional to 13,104.48, 19,656.48 and 3,243.76 is: 4,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.48 : 19,656.48 = 3,243.76 : x
  2. Step 2: Convert to fraction form
    13,104.48/19,656.48 = 3,243.76/x
  3. Step 3: Cross multiply
    13,104.48x = 19,656.48 × 3,243.76
  4. Step 4: Simplify right side
    13,104.48x = 63,760,903.56
  5. Step 5: Solve for x
    x = 63,760,903.56/13,104.48
  6. Step 6: Final answer
    x = 4,865.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.