Home / 11,481.22-15,845.00-6,445.77

Finding the Fourth Proportional to 11,481.22, 15,845.00 and 6,445.77

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Solution

The fourth proportional to 11,481.22, 15,845.00 and 6,445.77 is: 8,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.22 : 15,845.00 = 6,445.77 : x
  2. Step 2: Convert to fraction form
    11,481.22/15,845.00 = 6,445.77/x
  3. Step 3: Cross multiply
    11,481.22x = 15,845.00 × 6,445.77
  4. Step 4: Simplify right side
    11,481.22x = 102,133,259.39
  5. Step 5: Solve for x
    x = 102,133,259.39/11,481.22
  6. Step 6: Final answer
    x = 8,895.68

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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.