Home / 13,974.72-20,963.16-5,208.36

Finding the Fourth Proportional to 13,974.72, 20,963.16 and 5,208.36

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Solution

The fourth proportional to 13,974.72, 20,963.16 and 5,208.36 is: 7,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.72 : 20,963.16 = 5,208.36 : x
  2. Step 2: Convert to fraction form
    13,974.72/20,963.16 = 5,208.36/x
  3. Step 3: Cross multiply
    13,974.72x = 20,963.16 × 5,208.36
  4. Step 4: Simplify right side
    13,974.72x = 109,183,684.02
  5. Step 5: Solve for x
    x = 109,183,684.02/13,974.72
  6. Step 6: Final answer
    x = 7,812.94

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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.