Home / 13,689.26-20,536.97-4,329.84

Finding the Fourth Proportional to 13,689.26, 20,536.97 and 4,329.84

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Solution

The fourth proportional to 13,689.26, 20,536.97 and 4,329.84 is: 6,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689.26 : 20,536.97 = 4,329.84 : x
  2. Step 2: Convert to fraction form
    13,689.26/20,536.97 = 4,329.84/x
  3. Step 3: Cross multiply
    13,689.26x = 20,536.97 × 4,329.84
  4. Step 4: Simplify right side
    13,689.26x = 88,921,794.18
  5. Step 5: Solve for x
    x = 88,921,794.18/13,689.26
  6. Step 6: Final answer
    x = 6,495.73

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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.