Home / 10,195.82-15,293.75-2,800.38

Finding the Fourth Proportional to 10,195.82, 15,293.75 and 2,800.38

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Solution

The fourth proportional to 10,195.82, 15,293.75 and 2,800.38 is: 4,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.82 : 15,293.75 = 2,800.38 : x
  2. Step 2: Convert to fraction form
    10,195.82/15,293.75 = 2,800.38/x
  3. Step 3: Cross multiply
    10,195.82x = 15,293.75 × 2,800.38
  4. Step 4: Simplify right side
    10,195.82x = 42,828,297.62
  5. Step 5: Solve for x
    x = 42,828,297.62/10,195.82
  6. Step 6: Final answer
    x = 4,200.58

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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.