Home / 18,422.68-27,639.40-5,942.43

Finding the Fourth Proportional to 18,422.68, 27,639.40 and 5,942.43

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Solution

The fourth proportional to 18,422.68, 27,639.40 and 5,942.43 is: 8,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.68 : 27,639.40 = 5,942.43 : x
  2. Step 2: Convert to fraction form
    18,422.68/27,639.40 = 5,942.43/x
  3. Step 3: Cross multiply
    18,422.68x = 27,639.40 × 5,942.43
  4. Step 4: Simplify right side
    18,422.68x = 164,245,182.23
  5. Step 5: Solve for x
    x = 164,245,182.23/18,422.68
  6. Step 6: Final answer
    x = 8,915.38

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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.