Home / 10,198.44-15,302.05-5,521.79

Finding the Fourth Proportional to 10,198.44, 15,302.05 and 5,521.79

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Solution

The fourth proportional to 10,198.44, 15,302.05 and 5,521.79 is: 8,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.44 : 15,302.05 = 5,521.79 : x
  2. Step 2: Convert to fraction form
    10,198.44/15,302.05 = 5,521.79/x
  3. Step 3: Cross multiply
    10,198.44x = 15,302.05 × 5,521.79
  4. Step 4: Simplify right side
    10,198.44x = 84,494,731.12
  5. Step 5: Solve for x
    x = 84,494,731.12/10,198.44
  6. Step 6: Final answer
    x = 8,285.06

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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.