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Finding the Fourth Proportional to 12,936.66, 17,851.41 and 7,270.10

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Solution

The fourth proportional to 12,936.66, 17,851.41 and 7,270.10 is: 10,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.66 : 17,851.41 = 7,270.10 : x
  2. Step 2: Convert to fraction form
    12,936.66/17,851.41 = 7,270.10/x
  3. Step 3: Cross multiply
    12,936.66x = 17,851.41 × 7,270.10
  4. Step 4: Simplify right side
    12,936.66x = 129,781,535.84
  5. Step 5: Solve for x
    x = 129,781,535.84/12,936.66
  6. Step 6: Final answer
    x = 10,032.07

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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.