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Finding the Fourth Proportional to 13,376, 20,064 and 3,648

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Solution

The fourth proportional to 13,376, 20,064 and 3,648 is: 5,472

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376 : 20,064 = 3,648 : x
  2. Step 2: Convert to fraction form
    13,376/20,064 = 3,648/x
  3. Step 3: Cross multiply
    13,376x = 20,064 × 3,648
  4. Step 4: Simplify right side
    13,376x = 73,193,472
  5. Step 5: Solve for x
    x = 73,193,472/13,376
  6. Step 6: Final answer
    x = 5,472

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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.