Home / 8,022.11-12,033.12-2,178.72

Finding the Fourth Proportional to 8,022.11, 12,033.12 and 2,178.72

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Solution

The fourth proportional to 8,022.11, 12,033.12 and 2,178.72 is: 3,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.11 : 12,033.12 = 2,178.72 : x
  2. Step 2: Convert to fraction form
    8,022.11/12,033.12 = 2,178.72/x
  3. Step 3: Cross multiply
    8,022.11x = 12,033.12 × 2,178.72
  4. Step 4: Simplify right side
    8,022.11x = 26,216,799.21
  5. Step 5: Solve for x
    x = 26,216,799.21/8,022.11
  6. Step 6: Final answer
    x = 3,268.07

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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.