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Finding the Fourth Proportional to 22,222.96, 30,668.12 and 12,151.22

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Solution

The fourth proportional to 22,222.96, 30,668.12 and 12,151.22 is: 16,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.96 : 30,668.12 = 12,151.22 : x
  2. Step 2: Convert to fraction form
    22,222.96/30,668.12 = 12,151.22/x
  3. Step 3: Cross multiply
    22,222.96x = 30,668.12 × 12,151.22
  4. Step 4: Simplify right side
    22,222.96x = 372,654,904.58
  5. Step 5: Solve for x
    x = 372,654,904.58/22,222.96
  6. Step 6: Final answer
    x = 16,768.92

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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.