Home / 13,874.37-20,809.50-5,107.24

Finding the Fourth Proportional to 13,874.37, 20,809.50 and 5,107.24

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Solution

The fourth proportional to 13,874.37, 20,809.50 and 5,107.24 is: 7,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.37 : 20,809.50 = 5,107.24 : x
  2. Step 2: Convert to fraction form
    13,874.37/20,809.50 = 5,107.24/x
  3. Step 3: Cross multiply
    13,874.37x = 20,809.50 × 5,107.24
  4. Step 4: Simplify right side
    13,874.37x = 106,279,110.78
  5. Step 5: Solve for x
    x = 106,279,110.78/13,874.37
  6. Step 6: Final answer
    x = 7,660.10

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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.