Home / 18,687.32-25,794.75-11,136.02

Finding the Fourth Proportional to 18,687.32, 25,794.75 and 11,136.02

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Solution

The fourth proportional to 18,687.32, 25,794.75 and 11,136.02 is: 15,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687.32 : 25,794.75 = 11,136.02 : x
  2. Step 2: Convert to fraction form
    18,687.32/25,794.75 = 11,136.02/x
  3. Step 3: Cross multiply
    18,687.32x = 25,794.75 × 11,136.02
  4. Step 4: Simplify right side
    18,687.32x = 287,250,759.57
  5. Step 5: Solve for x
    x = 287,250,759.57/18,687.32
  6. Step 6: Final answer
    x = 15,371.43

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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.