Home / 15,620.37-21,556.46-8,546.80

Finding the Fourth Proportional to 15,620.37, 21,556.46 and 8,546.80

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Solution

The fourth proportional to 15,620.37, 21,556.46 and 8,546.80 is: 11,794.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.37 : 21,556.46 = 8,546.80 : x
  2. Step 2: Convert to fraction form
    15,620.37/21,556.46 = 8,546.80/x
  3. Step 3: Cross multiply
    15,620.37x = 21,556.46 × 8,546.80
  4. Step 4: Simplify right side
    15,620.37x = 184,238,752.33
  5. Step 5: Solve for x
    x = 184,238,752.33/15,620.37
  6. Step 6: Final answer
    x = 11,794.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.