Home / 11,481.51-15,844.65-6,446.82

Finding the Fourth Proportional to 11,481.51, 15,844.65 and 6,446.82

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Solution

The fourth proportional to 11,481.51, 15,844.65 and 6,446.82 is: 8,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.51 : 15,844.65 = 6,446.82 : x
  2. Step 2: Convert to fraction form
    11,481.51/15,844.65 = 6,446.82/x
  3. Step 3: Cross multiply
    11,481.51x = 15,844.65 × 6,446.82
  4. Step 4: Simplify right side
    11,481.51x = 102,147,606.51
  5. Step 5: Solve for x
    x = 102,147,606.51/11,481.51
  6. Step 6: Final answer
    x = 8,896.70

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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.