Home / 11,922.45-16,451.76-6,888.27

Finding the Fourth Proportional to 11,922.45, 16,451.76 and 6,888.27

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Solution

The fourth proportional to 11,922.45, 16,451.76 and 6,888.27 is: 9,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.45 : 16,451.76 = 6,888.27 : x
  2. Step 2: Convert to fraction form
    11,922.45/16,451.76 = 6,888.27/x
  3. Step 3: Cross multiply
    11,922.45x = 16,451.76 × 6,888.27
  4. Step 4: Simplify right side
    11,922.45x = 113,324,164.86
  5. Step 5: Solve for x
    x = 113,324,164.86/11,922.45
  6. Step 6: Final answer
    x = 9,505.11

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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.