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Finding the Fourth Proportional to 11,765.13, 16,237.01 and 6,728.36

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Solution

The fourth proportional to 11,765.13, 16,237.01 and 6,728.36 is: 9,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.13 : 16,237.01 = 6,728.36 : x
  2. Step 2: Convert to fraction form
    11,765.13/16,237.01 = 6,728.36/x
  3. Step 3: Cross multiply
    11,765.13x = 16,237.01 × 6,728.36
  4. Step 4: Simplify right side
    11,765.13x = 109,248,333.78
  5. Step 5: Solve for x
    x = 109,248,333.78/11,765.13
  6. Step 6: Final answer
    x = 9,285.77

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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.