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Finding the Fourth Proportional to 8,015.14, 11,055.31 and 7,354.18

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Solution

The fourth proportional to 8,015.14, 11,055.31 and 7,354.18 is: 10,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.14 : 11,055.31 = 7,354.18 : x
  2. Step 2: Convert to fraction form
    8,015.14/11,055.31 = 7,354.18/x
  3. Step 3: Cross multiply
    8,015.14x = 11,055.31 × 7,354.18
  4. Step 4: Simplify right side
    8,015.14x = 81,302,739.70
  5. Step 5: Solve for x
    x = 81,302,739.70/8,015.14
  6. Step 6: Final answer
    x = 10,143.65

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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.