Home / 13,834.25-20,751.18-6,434.57

Finding the Fourth Proportional to 13,834.25, 20,751.18 and 6,434.57

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Solution

The fourth proportional to 13,834.25, 20,751.18 and 6,434.57 is: 9,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.25 : 20,751.18 = 6,434.57 : x
  2. Step 2: Convert to fraction form
    13,834.25/20,751.18 = 6,434.57/x
  3. Step 3: Cross multiply
    13,834.25x = 20,751.18 × 6,434.57
  4. Step 4: Simplify right side
    13,834.25x = 133,524,920.29
  5. Step 5: Solve for x
    x = 133,524,920.29/13,834.25
  6. Step 6: Final answer
    x = 9,651.76

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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.