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Finding the Fourth Proportional to 16,682.99, 25,023.60 and 4,203

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Solution

The fourth proportional to 16,682.99, 25,023.60 and 4,203 is: 6,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.99 : 25,023.60 = 4,203 : x
  2. Step 2: Convert to fraction form
    16,682.99/25,023.60 = 4,203/x
  3. Step 3: Cross multiply
    16,682.99x = 25,023.60 × 4,203
  4. Step 4: Simplify right side
    16,682.99x = 105,174,190.80
  5. Step 5: Solve for x
    x = 105,174,190.80/16,682.99
  6. Step 6: Final answer
    x = 6,304.28

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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.