Home / 16,221.62-24,336.75-5,128.52

Finding the Fourth Proportional to 16,221.62, 24,336.75 and 5,128.52

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Solution

The fourth proportional to 16,221.62, 24,336.75 and 5,128.52 is: 7,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.62 : 24,336.75 = 5,128.52 : x
  2. Step 2: Convert to fraction form
    16,221.62/24,336.75 = 5,128.52/x
  3. Step 3: Cross multiply
    16,221.62x = 24,336.75 × 5,128.52
  4. Step 4: Simplify right side
    16,221.62x = 124,811,406.66
  5. Step 5: Solve for x
    x = 124,811,406.66/16,221.62
  6. Step 6: Final answer
    x = 7,694.14

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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.