Home / 18,326.97-27,488.52-12,441.69

Finding the Fourth Proportional to 18,326.97, 27,488.52 and 12,441.69

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Solution

The fourth proportional to 18,326.97, 27,488.52 and 12,441.69 is: 18,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.97 : 27,488.52 = 12,441.69 : x
  2. Step 2: Convert to fraction form
    18,326.97/27,488.52 = 12,441.69/x
  3. Step 3: Cross multiply
    18,326.97x = 27,488.52 × 12,441.69
  4. Step 4: Simplify right side
    18,326.97x = 342,003,644.40
  5. Step 5: Solve for x
    x = 342,003,644.40/18,326.97
  6. Step 6: Final answer
    x = 18,661.22

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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.