Home / 13,974.36-20,964.15-4,614.79

Finding the Fourth Proportional to 13,974.36, 20,964.15 and 4,614.79

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Solution

The fourth proportional to 13,974.36, 20,964.15 and 4,614.79 is: 6,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.36 : 20,964.15 = 4,614.79 : x
  2. Step 2: Convert to fraction form
    13,974.36/20,964.15 = 4,614.79/x
  3. Step 3: Cross multiply
    13,974.36x = 20,964.15 × 4,614.79
  4. Step 4: Simplify right side
    13,974.36x = 96,745,136.68
  5. Step 5: Solve for x
    x = 96,745,136.68/13,974.36
  6. Step 6: Final answer
    x = 6,923.05

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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.