Home / 11,889.56-17,837.13-3,569.42

Finding the Fourth Proportional to 11,889.56, 17,837.13 and 3,569.42

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Solution

The fourth proportional to 11,889.56, 17,837.13 and 3,569.42 is: 5,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.56 : 17,837.13 = 3,569.42 : x
  2. Step 2: Convert to fraction form
    11,889.56/17,837.13 = 3,569.42/x
  3. Step 3: Cross multiply
    11,889.56x = 17,837.13 × 3,569.42
  4. Step 4: Simplify right side
    11,889.56x = 63,668,208.56
  5. Step 5: Solve for x
    x = 63,668,208.56/11,889.56
  6. Step 6: Final answer
    x = 5,354.97

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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.