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Finding the Fourth Proportional to 13,347.56, 20,022.38 and 7,801.48

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Solution

The fourth proportional to 13,347.56, 20,022.38 and 7,801.48 is: 11,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.56 : 20,022.38 = 7,801.48 : x
  2. Step 2: Convert to fraction form
    13,347.56/20,022.38 = 7,801.48/x
  3. Step 3: Cross multiply
    13,347.56x = 20,022.38 × 7,801.48
  4. Step 4: Simplify right side
    13,347.56x = 156,204,197.12
  5. Step 5: Solve for x
    x = 156,204,197.12/13,347.56
  6. Step 6: Final answer
    x = 11,702.83

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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.