Home / 18,205.48-27,315.42-8,965

Finding the Fourth Proportional to 18,205.48, 27,315.42 and 8,965

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Solution

The fourth proportional to 18,205.48, 27,315.42 and 8,965 is: 13,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.48 : 27,315.42 = 8,965 : x
  2. Step 2: Convert to fraction form
    18,205.48/27,315.42 = 8,965/x
  3. Step 3: Cross multiply
    18,205.48x = 27,315.42 × 8,965
  4. Step 4: Simplify right side
    18,205.48x = 244,882,740.30
  5. Step 5: Solve for x
    x = 244,882,740.30/18,205.48
  6. Step 6: Final answer
    x = 13,451.05

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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.