Home / 11,729.58-17,620.83-6,811.26

Finding the Fourth Proportional to 11,729.58, 17,620.83 and 6,811.26

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Solution

The fourth proportional to 11,729.58, 17,620.83 and 6,811.26 is: 10,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.58 : 17,620.83 = 6,811.26 : x
  2. Step 2: Convert to fraction form
    11,729.58/17,620.83 = 6,811.26/x
  3. Step 3: Cross multiply
    11,729.58x = 17,620.83 × 6,811.26
  4. Step 4: Simplify right side
    11,729.58x = 120,020,054.55
  5. Step 5: Solve for x
    x = 120,020,054.55/11,729.58
  6. Step 6: Final answer
    x = 10,232.26

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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.