Home / 10,198.38-15,297.66-2,803.62

Finding the Fourth Proportional to 10,198.38, 15,297.66 and 2,803.62

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Solution

The fourth proportional to 10,198.38, 15,297.66 and 2,803.62 is: 4,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.38 : 15,297.66 = 2,803.62 : x
  2. Step 2: Convert to fraction form
    10,198.38/15,297.66 = 2,803.62/x
  3. Step 3: Cross multiply
    10,198.38x = 15,297.66 × 2,803.62
  4. Step 4: Simplify right side
    10,198.38x = 42,888,825.53
  5. Step 5: Solve for x
    x = 42,888,825.53/10,198.38
  6. Step 6: Final answer
    x = 4,205.45

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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.