Home / 15,620.32-21,556.58-8,546.74

Finding the Fourth Proportional to 15,620.32, 21,556.58 and 8,546.74

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Solution

The fourth proportional to 15,620.32, 21,556.58 and 8,546.74 is: 11,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.32 : 21,556.58 = 8,546.74 : x
  2. Step 2: Convert to fraction form
    15,620.32/21,556.58 = 8,546.74/x
  3. Step 3: Cross multiply
    15,620.32x = 21,556.58 × 8,546.74
  4. Step 4: Simplify right side
    15,620.32x = 184,238,387.92
  5. Step 5: Solve for x
    x = 184,238,387.92/15,620.32
  6. Step 6: Final answer
    x = 11,794.79

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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.