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Finding the Fourth Proportional to 12,371.99, 17,073.37 and 7,066.79

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Solution

The fourth proportional to 12,371.99, 17,073.37 and 7,066.79 is: 9,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.99 : 17,073.37 = 7,066.79 : x
  2. Step 2: Convert to fraction form
    12,371.99/17,073.37 = 7,066.79/x
  3. Step 3: Cross multiply
    12,371.99x = 17,073.37 × 7,066.79
  4. Step 4: Simplify right side
    12,371.99x = 120,653,885.05
  5. Step 5: Solve for x
    x = 120,653,885.05/12,371.99
  6. Step 6: Final answer
    x = 9,752.18

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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.