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Finding the Fourth Proportional to 13,716, 20,574 and 5,508

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Solution

The fourth proportional to 13,716, 20,574 and 5,508 is: 8,262

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716 : 20,574 = 5,508 : x
  2. Step 2: Convert to fraction form
    13,716/20,574 = 5,508/x
  3. Step 3: Cross multiply
    13,716x = 20,574 × 5,508
  4. Step 4: Simplify right side
    13,716x = 113,321,592
  5. Step 5: Solve for x
    x = 113,321,592/13,716
  6. Step 6: Final answer
    x = 8,262

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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.