Home / 11,591.79-15,996.63-6,286.56

Finding the Fourth Proportional to 11,591.79, 15,996.63 and 6,286.56

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Solution

The fourth proportional to 11,591.79, 15,996.63 and 6,286.56 is: 8,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.79 : 15,996.63 = 6,286.56 : x
  2. Step 2: Convert to fraction form
    11,591.79/15,996.63 = 6,286.56/x
  3. Step 3: Cross multiply
    11,591.79x = 15,996.63 × 6,286.56
  4. Step 4: Simplify right side
    11,591.79x = 100,563,774.29
  5. Step 5: Solve for x
    x = 100,563,774.29/11,591.79
  6. Step 6: Final answer
    x = 8,675.43

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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.