Home / 16,770.35-23,142.62-9,216.68

Finding the Fourth Proportional to 16,770.35, 23,142.62 and 9,216.68

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Solution

The fourth proportional to 16,770.35, 23,142.62 and 9,216.68 is: 12,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.35 : 23,142.62 = 9,216.68 : x
  2. Step 2: Convert to fraction form
    16,770.35/23,142.62 = 9,216.68/x
  3. Step 3: Cross multiply
    16,770.35x = 23,142.62 × 9,216.68
  4. Step 4: Simplify right side
    16,770.35x = 213,298,122.90
  5. Step 5: Solve for x
    x = 213,298,122.90/16,770.35
  6. Step 6: Final answer
    x = 12,718.76

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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.