Home / 13,834.14-20,764.17-6,443.70

Finding the Fourth Proportional to 13,834.14, 20,764.17 and 6,443.70

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Solution

The fourth proportional to 13,834.14, 20,764.17 and 6,443.70 is: 9,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.14 : 20,764.17 = 6,443.70 : x
  2. Step 2: Convert to fraction form
    13,834.14/20,764.17 = 6,443.70/x
  3. Step 3: Cross multiply
    13,834.14x = 20,764.17 × 6,443.70
  4. Step 4: Simplify right side
    13,834.14x = 133,798,082.23
  5. Step 5: Solve for x
    x = 133,798,082.23/13,834.14
  6. Step 6: Final answer
    x = 9,671.59

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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.