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Finding the Fourth Proportional to 13,711.47, 20,567.31 and 3,323.22

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Solution

The fourth proportional to 13,711.47, 20,567.31 and 3,323.22 is: 4,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.47 : 20,567.31 = 3,323.22 : x
  2. Step 2: Convert to fraction form
    13,711.47/20,567.31 = 3,323.22/x
  3. Step 3: Cross multiply
    13,711.47x = 20,567.31 × 3,323.22
  4. Step 4: Simplify right side
    13,711.47x = 68,349,695.94
  5. Step 5: Solve for x
    x = 68,349,695.94/13,711.47
  6. Step 6: Final answer
    x = 4,984.86

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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.