Home / 10,198.19-15,297.29-2,803.43

Finding the Fourth Proportional to 10,198.19, 15,297.29 and 2,803.43

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Solution

The fourth proportional to 10,198.19, 15,297.29 and 2,803.43 is: 4,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.19 : 15,297.29 = 2,803.43 : x
  2. Step 2: Convert to fraction form
    10,198.19/15,297.29 = 2,803.43/x
  3. Step 3: Cross multiply
    10,198.19x = 15,297.29 × 2,803.43
  4. Step 4: Simplify right side
    10,198.19x = 42,884,881.70
  5. Step 5: Solve for x
    x = 42,884,881.70/10,198.19
  6. Step 6: Final answer
    x = 4,205.15

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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.