Home / 18,299.19-27,441.88-7,199.80

Finding the Fourth Proportional to 18,299.19, 27,441.88 and 7,199.80

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Solution

The fourth proportional to 18,299.19, 27,441.88 and 7,199.80 is: 10,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.19 : 27,441.88 = 7,199.80 : x
  2. Step 2: Convert to fraction form
    18,299.19/27,441.88 = 7,199.80/x
  3. Step 3: Cross multiply
    18,299.19x = 27,441.88 × 7,199.80
  4. Step 4: Simplify right side
    18,299.19x = 197,576,047.62
  5. Step 5: Solve for x
    x = 197,576,047.62/18,299.19
  6. Step 6: Final answer
    x = 10,796.98

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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.