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Finding the Fourth Proportional to 13,464.77, 20,169.39 and 7,901.24

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Solution

The fourth proportional to 13,464.77, 20,169.39 and 7,901.24 is: 11,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.77 : 20,169.39 = 7,901.24 : x
  2. Step 2: Convert to fraction form
    13,464.77/20,169.39 = 7,901.24/x
  3. Step 3: Cross multiply
    13,464.77x = 20,169.39 × 7,901.24
  4. Step 4: Simplify right side
    13,464.77x = 159,363,191.04
  5. Step 5: Solve for x
    x = 159,363,191.04/13,464.77
  6. Step 6: Final answer
    x = 11,835.57

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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.