Home / 10,198.98-15,296.31-3,271.86

Finding the Fourth Proportional to 10,198.98, 15,296.31 and 3,271.86

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Solution

The fourth proportional to 10,198.98, 15,296.31 and 3,271.86 is: 4,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.98 : 15,296.31 = 3,271.86 : x
  2. Step 2: Convert to fraction form
    10,198.98/15,296.31 = 3,271.86/x
  3. Step 3: Cross multiply
    10,198.98x = 15,296.31 × 3,271.86
  4. Step 4: Simplify right side
    10,198.98x = 50,047,384.84
  5. Step 5: Solve for x
    x = 50,047,384.84/10,198.98
  6. Step 6: Final answer
    x = 4,907.10

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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.