Home / 18,122.44-27,177.16-9,808.60

Finding the Fourth Proportional to 18,122.44, 27,177.16 and 9,808.60

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Solution

The fourth proportional to 18,122.44, 27,177.16 and 9,808.60 is: 14,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.44 : 27,177.16 = 9,808.60 : x
  2. Step 2: Convert to fraction form
    18,122.44/27,177.16 = 9,808.60/x
  3. Step 3: Cross multiply
    18,122.44x = 27,177.16 × 9,808.60
  4. Step 4: Simplify right side
    18,122.44x = 266,569,891.58
  5. Step 5: Solve for x
    x = 266,569,891.58/18,122.44
  6. Step 6: Final answer
    x = 14,709.38

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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.