Home / 11,104.33-15,324.66-6,388.51

Finding the Fourth Proportional to 11,104.33, 15,324.66 and 6,388.51

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Solution

The fourth proportional to 11,104.33, 15,324.66 and 6,388.51 is: 8,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.33 : 15,324.66 = 6,388.51 : x
  2. Step 2: Convert to fraction form
    11,104.33/15,324.66 = 6,388.51/x
  3. Step 3: Cross multiply
    11,104.33x = 15,324.66 × 6,388.51
  4. Step 4: Simplify right side
    11,104.33x = 97,901,743.66
  5. Step 5: Solve for x
    x = 97,901,743.66/11,104.33
  6. Step 6: Final answer
    x = 8,816.54

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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.