Home / 16,772.64-25,161.39-5,086.86

Finding the Fourth Proportional to 16,772.64, 25,161.39 and 5,086.86

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Solution

The fourth proportional to 16,772.64, 25,161.39 and 5,086.86 is: 7,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.64 : 25,161.39 = 5,086.86 : x
  2. Step 2: Convert to fraction form
    16,772.64/25,161.39 = 5,086.86/x
  3. Step 3: Cross multiply
    16,772.64x = 25,161.39 × 5,086.86
  4. Step 4: Simplify right side
    16,772.64x = 127,992,468.34
  5. Step 5: Solve for x
    x = 127,992,468.34/16,772.64
  6. Step 6: Final answer
    x = 7,631.03

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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.