Home / 11,759.28-16,227.74-6,381.60

Finding the Fourth Proportional to 11,759.28, 16,227.74 and 6,381.60

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Solution

The fourth proportional to 11,759.28, 16,227.74 and 6,381.60 is: 8,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.28 : 16,227.74 = 6,381.60 : x
  2. Step 2: Convert to fraction form
    11,759.28/16,227.74 = 6,381.60/x
  3. Step 3: Cross multiply
    11,759.28x = 16,227.74 × 6,381.60
  4. Step 4: Simplify right side
    11,759.28x = 103,558,945.58
  5. Step 5: Solve for x
    x = 103,558,945.58/11,759.28
  6. Step 6: Final answer
    x = 8,806.57

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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.