Home / 11,689.38-17,536.50-3,898.26

Finding the Fourth Proportional to 11,689.38, 17,536.50 and 3,898.26

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Solution

The fourth proportional to 11,689.38, 17,536.50 and 3,898.26 is: 5,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.38 : 17,536.50 = 3,898.26 : x
  2. Step 2: Convert to fraction form
    11,689.38/17,536.50 = 3,898.26/x
  3. Step 3: Cross multiply
    11,689.38x = 17,536.50 × 3,898.26
  4. Step 4: Simplify right side
    11,689.38x = 68,361,836.49
  5. Step 5: Solve for x
    x = 68,361,836.49/11,689.38
  6. Step 6: Final answer
    x = 5,848.20

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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.