Home / 18,335.15-27,511.83-7,249.79

Finding the Fourth Proportional to 18,335.15, 27,511.83 and 7,249.79

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Solution

The fourth proportional to 18,335.15, 27,511.83 and 7,249.79 is: 10,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.15 : 27,511.83 = 7,249.79 : x
  2. Step 2: Convert to fraction form
    18,335.15/27,511.83 = 7,249.79/x
  3. Step 3: Cross multiply
    18,335.15x = 27,511.83 × 7,249.79
  4. Step 4: Simplify right side
    18,335.15x = 199,454,990.02
  5. Step 5: Solve for x
    x = 199,454,990.02/18,335.15
  6. Step 6: Final answer
    x = 10,878.29

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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.