Home / 11,947.14-17,921.82-4,549.56

Finding the Fourth Proportional to 11,947.14, 17,921.82 and 4,549.56

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Solution

The fourth proportional to 11,947.14, 17,921.82 and 4,549.56 is: 6,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.14 : 17,921.82 = 4,549.56 : x
  2. Step 2: Convert to fraction form
    11,947.14/17,921.82 = 4,549.56/x
  3. Step 3: Cross multiply
    11,947.14x = 17,921.82 × 4,549.56
  4. Step 4: Simplify right side
    11,947.14x = 81,536,395.40
  5. Step 5: Solve for x
    x = 81,536,395.40/11,947.14
  6. Step 6: Final answer
    x = 6,824.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.