Home / 16,722.21-25,083.06-4,072.09

Finding the Fourth Proportional to 16,722.21, 25,083.06 and 4,072.09

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Solution

The fourth proportional to 16,722.21, 25,083.06 and 4,072.09 is: 6,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.21 : 25,083.06 = 4,072.09 : x
  2. Step 2: Convert to fraction form
    16,722.21/25,083.06 = 4,072.09/x
  3. Step 3: Cross multiply
    16,722.21x = 25,083.06 × 4,072.09
  4. Step 4: Simplify right side
    16,722.21x = 102,140,415.09
  5. Step 5: Solve for x
    x = 102,140,415.09/16,722.21
  6. Step 6: Final answer
    x = 6,108.07

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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.