Home / 11,016.66-15,201.36-6,768.48

Finding the Fourth Proportional to 11,016.66, 15,201.36 and 6,768.48

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Solution

The fourth proportional to 11,016.66, 15,201.36 and 6,768.48 is: 9,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.66 : 15,201.36 = 6,768.48 : x
  2. Step 2: Convert to fraction form
    11,016.66/15,201.36 = 6,768.48/x
  3. Step 3: Cross multiply
    11,016.66x = 15,201.36 × 6,768.48
  4. Step 4: Simplify right side
    11,016.66x = 102,890,101.13
  5. Step 5: Solve for x
    x = 102,890,101.13/11,016.66
  6. Step 6: Final answer
    x = 9,339.50

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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.