Home / 10,198.89-15,295.39-2,803.59

Finding the Fourth Proportional to 10,198.89, 15,295.39 and 2,803.59

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Solution

The fourth proportional to 10,198.89, 15,295.39 and 2,803.59 is: 4,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.89 : 15,295.39 = 2,803.59 : x
  2. Step 2: Convert to fraction form
    10,198.89/15,295.39 = 2,803.59/x
  3. Step 3: Cross multiply
    10,198.89x = 15,295.39 × 2,803.59
  4. Step 4: Simplify right side
    10,198.89x = 42,882,002.45
  5. Step 5: Solve for x
    x = 42,882,002.45/10,198.89
  6. Step 6: Final answer
    x = 4,204.58

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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.