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Finding the Fourth Proportional to 13,474.08, 20,203.02 and 5,154.71

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Solution

The fourth proportional to 13,474.08, 20,203.02 and 5,154.71 is: 7,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.08 : 20,203.02 = 5,154.71 : x
  2. Step 2: Convert to fraction form
    13,474.08/20,203.02 = 5,154.71/x
  3. Step 3: Cross multiply
    13,474.08x = 20,203.02 × 5,154.71
  4. Step 4: Simplify right side
    13,474.08x = 104,140,709.22
  5. Step 5: Solve for x
    x = 104,140,709.22/13,474.08
  6. Step 6: Final answer
    x = 7,728.97

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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.