Home / 10,198.80-15,297.30-2,802.60

Finding the Fourth Proportional to 10,198.80, 15,297.30 and 2,802.60

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Solution

The fourth proportional to 10,198.80, 15,297.30 and 2,802.60 is: 4,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.80 : 15,297.30 = 2,802.60 : x
  2. Step 2: Convert to fraction form
    10,198.80/15,297.30 = 2,802.60/x
  3. Step 3: Cross multiply
    10,198.80x = 15,297.30 × 2,802.60
  4. Step 4: Simplify right side
    10,198.80x = 42,872,212.98
  5. Step 5: Solve for x
    x = 42,872,212.98/10,198.80
  6. Step 6: Final answer
    x = 4,203.65

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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.