Home / 11,689.11-17,536.50-3,898.53

Finding the Fourth Proportional to 11,689.11, 17,536.50 and 3,898.53

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Solution

The fourth proportional to 11,689.11, 17,536.50 and 3,898.53 is: 5,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.11 : 17,536.50 = 3,898.53 : x
  2. Step 2: Convert to fraction form
    11,689.11/17,536.50 = 3,898.53/x
  3. Step 3: Cross multiply
    11,689.11x = 17,536.50 × 3,898.53
  4. Step 4: Simplify right side
    11,689.11x = 68,366,571.35
  5. Step 5: Solve for x
    x = 68,366,571.35/11,689.11
  6. Step 6: Final answer
    x = 5,848.74

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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.