Home / 11,621-17,439.18-5,465.48

Finding the Fourth Proportional to 11,621, 17,439.18 and 5,465.48

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Solution

The fourth proportional to 11,621, 17,439.18 and 5,465.48 is: 8,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621 : 17,439.18 = 5,465.48 : x
  2. Step 2: Convert to fraction form
    11,621/17,439.18 = 5,465.48/x
  3. Step 3: Cross multiply
    11,621x = 17,439.18 × 5,465.48
  4. Step 4: Simplify right side
    11,621x = 95,313,489.51
  5. Step 5: Solve for x
    x = 95,313,489.51/11,621
  6. Step 6: Final answer
    x = 8,201.83

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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.