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Finding the Fourth Proportional to 10,111.58, 15,150.81 and 9,727.58

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Solution

The fourth proportional to 10,111.58, 15,150.81 and 9,727.58 is: 14,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.58 : 15,150.81 = 9,727.58 : x
  2. Step 2: Convert to fraction form
    10,111.58/15,150.81 = 9,727.58/x
  3. Step 3: Cross multiply
    10,111.58x = 15,150.81 × 9,727.58
  4. Step 4: Simplify right side
    10,111.58x = 147,380,716.34
  5. Step 5: Solve for x
    x = 147,380,716.34/10,111.58
  6. Step 6: Final answer
    x = 14,575.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.