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Finding the Fourth Proportional to 12,110.28, 16,712.82 and 7,394.28

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Solution

The fourth proportional to 12,110.28, 16,712.82 and 7,394.28 is: 10,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.28 : 16,712.82 = 7,394.28 : x
  2. Step 2: Convert to fraction form
    12,110.28/16,712.82 = 7,394.28/x
  3. Step 3: Cross multiply
    12,110.28x = 16,712.82 × 7,394.28
  4. Step 4: Simplify right side
    12,110.28x = 123,579,270.67
  5. Step 5: Solve for x
    x = 123,579,270.67/12,110.28
  6. Step 6: Final answer
    x = 10,204.49

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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.