Home / 12,984.36-19,474.92-5,198.64

Finding the Fourth Proportional to 12,984.36, 19,474.92 and 5,198.64

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Solution

The fourth proportional to 12,984.36, 19,474.92 and 5,198.64 is: 7,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.36 : 19,474.92 = 5,198.64 : x
  2. Step 2: Convert to fraction form
    12,984.36/19,474.92 = 5,198.64/x
  3. Step 3: Cross multiply
    12,984.36x = 19,474.92 × 5,198.64
  4. Step 4: Simplify right side
    12,984.36x = 101,243,098.11
  5. Step 5: Solve for x
    x = 101,243,098.11/12,984.36
  6. Step 6: Final answer
    x = 7,797.31

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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.