Home / 10,195.73-15,290.66-2,800.43

Finding the Fourth Proportional to 10,195.73, 15,290.66 and 2,800.43

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Solution

The fourth proportional to 10,195.73, 15,290.66 and 2,800.43 is: 4,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.73 : 15,290.66 = 2,800.43 : x
  2. Step 2: Convert to fraction form
    10,195.73/15,290.66 = 2,800.43/x
  3. Step 3: Cross multiply
    10,195.73x = 15,290.66 × 2,800.43
  4. Step 4: Simplify right side
    10,195.73x = 42,820,446.00
  5. Step 5: Solve for x
    x = 42,820,446.00/10,195.73
  6. Step 6: Final answer
    x = 4,199.84

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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.