Home / 16,911.21-25,366.82-4,429.92

Finding the Fourth Proportional to 16,911.21, 25,366.82 and 4,429.92

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Solution

The fourth proportional to 16,911.21, 25,366.82 and 4,429.92 is: 6,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.21 : 25,366.82 = 4,429.92 : x
  2. Step 2: Convert to fraction form
    16,911.21/25,366.82 = 4,429.92/x
  3. Step 3: Cross multiply
    16,911.21x = 25,366.82 × 4,429.92
  4. Step 4: Simplify right side
    16,911.21x = 112,372,961.10
  5. Step 5: Solve for x
    x = 112,372,961.10/16,911.21
  6. Step 6: Final answer
    x = 6,644.88

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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.