Home / 18,348.12-27,519.08-5,198.18

Finding the Fourth Proportional to 18,348.12, 27,519.08 and 5,198.18

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Solution

The fourth proportional to 18,348.12, 27,519.08 and 5,198.18 is: 7,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.12 : 27,519.08 = 5,198.18 : x
  2. Step 2: Convert to fraction form
    18,348.12/27,519.08 = 5,198.18/x
  3. Step 3: Cross multiply
    18,348.12x = 27,519.08 × 5,198.18
  4. Step 4: Simplify right side
    18,348.12x = 143,048,967.69
  5. Step 5: Solve for x
    x = 143,048,967.69/18,348.12
  6. Step 6: Final answer
    x = 7,796.38

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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.