Home / 18,182.12-27,240.22-8,329.64

Finding the Fourth Proportional to 18,182.12, 27,240.22 and 8,329.64

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Solution

The fourth proportional to 18,182.12, 27,240.22 and 8,329.64 is: 12,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.12 : 27,240.22 = 8,329.64 : x
  2. Step 2: Convert to fraction form
    18,182.12/27,240.22 = 8,329.64/x
  3. Step 3: Cross multiply
    18,182.12x = 27,240.22 × 8,329.64
  4. Step 4: Simplify right side
    18,182.12x = 226,901,226.12
  5. Step 5: Solve for x
    x = 226,901,226.12/18,182.12
  6. Step 6: Final answer
    x = 12,479.36

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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.