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Finding the Fourth Proportional to 12,428.01, 17,150.94 and 6,763.08

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Solution

The fourth proportional to 12,428.01, 17,150.94 and 6,763.08 is: 9,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428.01 : 17,150.94 = 6,763.08 : x
  2. Step 2: Convert to fraction form
    12,428.01/17,150.94 = 6,763.08/x
  3. Step 3: Cross multiply
    12,428.01x = 17,150.94 × 6,763.08
  4. Step 4: Simplify right side
    12,428.01x = 115,993,179.30
  5. Step 5: Solve for x
    x = 115,993,179.30/12,428.01
  6. Step 6: Final answer
    x = 9,333.21

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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.