Home / 11,621.52-17,433.90-3,828.51

Finding the Fourth Proportional to 11,621.52, 17,433.90 and 3,828.51

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Solution

The fourth proportional to 11,621.52, 17,433.90 and 3,828.51 is: 5,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.52 : 17,433.90 = 3,828.51 : x
  2. Step 2: Convert to fraction form
    11,621.52/17,433.90 = 3,828.51/x
  3. Step 3: Cross multiply
    11,621.52x = 17,433.90 × 3,828.51
  4. Step 4: Simplify right side
    11,621.52x = 66,745,860.49
  5. Step 5: Solve for x
    x = 66,745,860.49/11,621.52
  6. Step 6: Final answer
    x = 5,743.30

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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.