Home / 16,165.82-22,310.70-8,998.40

Finding the Fourth Proportional to 16,165.82, 22,310.70 and 8,998.40

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Solution

The fourth proportional to 16,165.82, 22,310.70 and 8,998.40 is: 12,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.82 : 22,310.70 = 8,998.40 : x
  2. Step 2: Convert to fraction form
    16,165.82/22,310.70 = 8,998.40/x
  3. Step 3: Cross multiply
    16,165.82x = 22,310.70 × 8,998.40
  4. Step 4: Simplify right side
    16,165.82x = 200,760,602.88
  5. Step 5: Solve for x
    x = 200,760,602.88/16,165.82
  6. Step 6: Final answer
    x = 12,418.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.