Home / 11,983.28-16,535.76-6,677.60

Finding the Fourth Proportional to 11,983.28, 16,535.76 and 6,677.60

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Solution

The fourth proportional to 11,983.28, 16,535.76 and 6,677.60 is: 9,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.28 : 16,535.76 = 6,677.60 : x
  2. Step 2: Convert to fraction form
    11,983.28/16,535.76 = 6,677.60/x
  3. Step 3: Cross multiply
    11,983.28x = 16,535.76 × 6,677.60
  4. Step 4: Simplify right side
    11,983.28x = 110,419,190.98
  5. Step 5: Solve for x
    x = 110,419,190.98/11,983.28
  6. Step 6: Final answer
    x = 9,214.44

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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.