Home / 18,439.74-27,633.69-8,029.66

Finding the Fourth Proportional to 18,439.74, 27,633.69 and 8,029.66

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Solution

The fourth proportional to 18,439.74, 27,633.69 and 8,029.66 is: 12,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.74 : 27,633.69 = 8,029.66 : x
  2. Step 2: Convert to fraction form
    18,439.74/27,633.69 = 8,029.66/x
  3. Step 3: Cross multiply
    18,439.74x = 27,633.69 × 8,029.66
  4. Step 4: Simplify right side
    18,439.74x = 221,889,135.25
  5. Step 5: Solve for x
    x = 221,889,135.25/18,439.74
  6. Step 6: Final answer
    x = 12,033.20

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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.