Home / 11,889.20-17,836.75-3,569.37

Finding the Fourth Proportional to 11,889.20, 17,836.75 and 3,569.37

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Solution

The fourth proportional to 11,889.20, 17,836.75 and 3,569.37 is: 5,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.20 : 17,836.75 = 3,569.37 : x
  2. Step 2: Convert to fraction form
    11,889.20/17,836.75 = 3,569.37/x
  3. Step 3: Cross multiply
    11,889.20x = 17,836.75 × 3,569.37
  4. Step 4: Simplify right side
    11,889.20x = 63,665,871.16
  5. Step 5: Solve for x
    x = 63,665,871.16/11,889.20
  6. Step 6: Final answer
    x = 5,354.94

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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.