Home / 12,198.18-16,832.55-6,893.49

Finding the Fourth Proportional to 12,198.18, 16,832.55 and 6,893.49

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Solution

The fourth proportional to 12,198.18, 16,832.55 and 6,893.49 is: 9,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.18 : 16,832.55 = 6,893.49 : x
  2. Step 2: Convert to fraction form
    12,198.18/16,832.55 = 6,893.49/x
  3. Step 3: Cross multiply
    12,198.18x = 16,832.55 × 6,893.49
  4. Step 4: Simplify right side
    12,198.18x = 116,035,015.10
  5. Step 5: Solve for x
    x = 116,035,015.10/12,198.18
  6. Step 6: Final answer
    x = 9,512.49

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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.