Home / 11,464.65-17,171.55-8,812.61

Finding the Fourth Proportional to 11,464.65, 17,171.55 and 8,812.61

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Solution

The fourth proportional to 11,464.65, 17,171.55 and 8,812.61 is: 13,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.65 : 17,171.55 = 8,812.61 : x
  2. Step 2: Convert to fraction form
    11,464.65/17,171.55 = 8,812.61/x
  3. Step 3: Cross multiply
    11,464.65x = 17,171.55 × 8,812.61
  4. Step 4: Simplify right side
    11,464.65x = 151,326,087.39
  5. Step 5: Solve for x
    x = 151,326,087.39/11,464.65
  6. Step 6: Final answer
    x = 13,199.36

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Why These Related Problems?

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