Home / 10,689.26-16,034.11-3,669.21

Finding the Fourth Proportional to 10,689.26, 16,034.11 and 3,669.21

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Solution

The fourth proportional to 10,689.26, 16,034.11 and 3,669.21 is: 5,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.26 : 16,034.11 = 3,669.21 : x
  2. Step 2: Convert to fraction form
    10,689.26/16,034.11 = 3,669.21/x
  3. Step 3: Cross multiply
    10,689.26x = 16,034.11 × 3,669.21
  4. Step 4: Simplify right side
    10,689.26x = 58,832,516.75
  5. Step 5: Solve for x
    x = 58,832,516.75/10,689.26
  6. Step 6: Final answer
    x = 5,503.89

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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.