Home / 18,329.04-27,491.40-8,198.64

Finding the Fourth Proportional to 18,329.04, 27,491.40 and 8,198.64

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Solution

The fourth proportional to 18,329.04, 27,491.40 and 8,198.64 is: 12,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.04 : 27,491.40 = 8,198.64 : x
  2. Step 2: Convert to fraction form
    18,329.04/27,491.40 = 8,198.64/x
  3. Step 3: Cross multiply
    18,329.04x = 27,491.40 × 8,198.64
  4. Step 4: Simplify right side
    18,329.04x = 225,392,091.70
  5. Step 5: Solve for x
    x = 225,392,091.70/18,329.04
  6. Step 6: Final answer
    x = 12,296.99

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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.