Home / 18,799.96-28,196.78-8,805.75

Finding the Fourth Proportional to 18,799.96, 28,196.78 and 8,805.75

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Solution

The fourth proportional to 18,799.96, 28,196.78 and 8,805.75 is: 13,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.96 : 28,196.78 = 8,805.75 : x
  2. Step 2: Convert to fraction form
    18,799.96/28,196.78 = 8,805.75/x
  3. Step 3: Cross multiply
    18,799.96x = 28,196.78 × 8,805.75
  4. Step 4: Simplify right side
    18,799.96x = 248,293,873.70
  5. Step 5: Solve for x
    x = 248,293,873.70/18,799.96
  6. Step 6: Final answer
    x = 13,207.15

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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.