Home / 11,077.78-15,286.73-6,297.06

Finding the Fourth Proportional to 11,077.78, 15,286.73 and 6,297.06

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Solution

The fourth proportional to 11,077.78, 15,286.73 and 6,297.06 is: 8,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.78 : 15,286.73 = 6,297.06 : x
  2. Step 2: Convert to fraction form
    11,077.78/15,286.73 = 6,297.06/x
  3. Step 3: Cross multiply
    11,077.78x = 15,286.73 × 6,297.06
  4. Step 4: Simplify right side
    11,077.78x = 96,261,456.01
  5. Step 5: Solve for x
    x = 96,261,456.01/11,077.78
  6. Step 6: Final answer
    x = 8,689.60

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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.