Home / 11,728.87-17,591.67-2,963.23

Finding the Fourth Proportional to 11,728.87, 17,591.67 and 2,963.23

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Solution

The fourth proportional to 11,728.87, 17,591.67 and 2,963.23 is: 4,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.87 : 17,591.67 = 2,963.23 : x
  2. Step 2: Convert to fraction form
    11,728.87/17,591.67 = 2,963.23/x
  3. Step 3: Cross multiply
    11,728.87x = 17,591.67 × 2,963.23
  4. Step 4: Simplify right side
    11,728.87x = 52,128,164.29
  5. Step 5: Solve for x
    x = 52,128,164.29/11,728.87
  6. Step 6: Final answer
    x = 4,444.43

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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.