Home / 13,845.24-20,766-5,079

Finding the Fourth Proportional to 13,845.24, 20,766 and 5,079

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Solution

The fourth proportional to 13,845.24, 20,766 and 5,079 is: 7,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.24 : 20,766 = 5,079 : x
  2. Step 2: Convert to fraction form
    13,845.24/20,766 = 5,079/x
  3. Step 3: Cross multiply
    13,845.24x = 20,766 × 5,079
  4. Step 4: Simplify right side
    13,845.24x = 105,470,514
  5. Step 5: Solve for x
    x = 105,470,514/13,845.24
  6. Step 6: Final answer
    x = 7,617.82

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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.