Home / 11,760.48-16,229.58-6,455.18

Finding the Fourth Proportional to 11,760.48, 16,229.58 and 6,455.18

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Solution

The fourth proportional to 11,760.48, 16,229.58 and 6,455.18 is: 8,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.48 : 16,229.58 = 6,455.18 : x
  2. Step 2: Convert to fraction form
    11,760.48/16,229.58 = 6,455.18/x
  3. Step 3: Cross multiply
    11,760.48x = 16,229.58 × 6,455.18
  4. Step 4: Simplify right side
    11,760.48x = 104,764,860.22
  5. Step 5: Solve for x
    x = 104,764,860.22/11,760.48
  6. Step 6: Final answer
    x = 8,908.21

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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.