Home / 11,755.06-16,221.69-6,449.83

Finding the Fourth Proportional to 11,755.06, 16,221.69 and 6,449.83

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Solution

The fourth proportional to 11,755.06, 16,221.69 and 6,449.83 is: 8,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.06 : 16,221.69 = 6,449.83 : x
  2. Step 2: Convert to fraction form
    11,755.06/16,221.69 = 6,449.83/x
  3. Step 3: Cross multiply
    11,755.06x = 16,221.69 × 6,449.83
  4. Step 4: Simplify right side
    11,755.06x = 104,627,102.26
  5. Step 5: Solve for x
    x = 104,627,102.26/11,755.06
  6. Step 6: Final answer
    x = 8,900.60

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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.