Home / 11,689.52-17,536.91-3,898.13

Finding the Fourth Proportional to 11,689.52, 17,536.91 and 3,898.13

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Solution

The fourth proportional to 11,689.52, 17,536.91 and 3,898.13 is: 5,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.52 : 17,536.91 = 3,898.13 : x
  2. Step 2: Convert to fraction form
    11,689.52/17,536.91 = 3,898.13/x
  3. Step 3: Cross multiply
    11,689.52x = 17,536.91 × 3,898.13
  4. Step 4: Simplify right side
    11,689.52x = 68,361,047.80
  5. Step 5: Solve for x
    x = 68,361,047.80/11,689.52
  6. Step 6: Final answer
    x = 5,848.07

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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.