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Finding the Fourth Proportional to 11,728.14, 17,585.73 and 3,934.86

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Solution

The fourth proportional to 11,728.14, 17,585.73 and 3,934.86 is: 5,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.14 : 17,585.73 = 3,934.86 : x
  2. Step 2: Convert to fraction form
    11,728.14/17,585.73 = 3,934.86/x
  3. Step 3: Cross multiply
    11,728.14x = 17,585.73 × 3,934.86
  4. Step 4: Simplify right side
    11,728.14x = 69,197,385.55
  5. Step 5: Solve for x
    x = 69,197,385.55/11,728.14
  6. Step 6: Final answer
    x = 5,900.12

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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.