Home / 18,273.27-27,418.26-9,940.80

Finding the Fourth Proportional to 18,273.27, 27,418.26 and 9,940.80

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Solution

The fourth proportional to 18,273.27, 27,418.26 and 9,940.80 is: 14,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.27 : 27,418.26 = 9,940.80 : x
  2. Step 2: Convert to fraction form
    18,273.27/27,418.26 = 9,940.80/x
  3. Step 3: Cross multiply
    18,273.27x = 27,418.26 × 9,940.80
  4. Step 4: Simplify right side
    18,273.27x = 272,559,439.01
  5. Step 5: Solve for x
    x = 272,559,439.01/18,273.27
  6. Step 6: Final answer
    x = 14,915.75

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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.