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Finding the Fourth Proportional to 16,770.54, 23,143.95 and 9,217.71

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Solution

The fourth proportional to 16,770.54, 23,143.95 and 9,217.71 is: 12,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.54 : 23,143.95 = 9,217.71 : x
  2. Step 2: Convert to fraction form
    16,770.54/23,143.95 = 9,217.71/x
  3. Step 3: Cross multiply
    16,770.54x = 23,143.95 × 9,217.71
  4. Step 4: Simplify right side
    16,770.54x = 213,334,219.35
  5. Step 5: Solve for x
    x = 213,334,219.35/16,770.54
  6. Step 6: Final answer
    x = 12,720.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.