Home / 16,933.05-25,415.16-8,619

Finding the Fourth Proportional to 16,933.05, 25,415.16 and 8,619

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Solution

The fourth proportional to 16,933.05, 25,415.16 and 8,619 is: 12,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.05 : 25,415.16 = 8,619 : x
  2. Step 2: Convert to fraction form
    16,933.05/25,415.16 = 8,619/x
  3. Step 3: Cross multiply
    16,933.05x = 25,415.16 × 8,619
  4. Step 4: Simplify right side
    16,933.05x = 219,053,220.95
  5. Step 5: Solve for x
    x = 219,053,220.95/16,933.05
  6. Step 6: Final answer
    x = 12,936.43

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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.