Home / 11,077.67-15,286.64-6,601.32

Finding the Fourth Proportional to 11,077.67, 15,286.64 and 6,601.32

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Solution

The fourth proportional to 11,077.67, 15,286.64 and 6,601.32 is: 9,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.67 : 15,286.64 = 6,601.32 : x
  2. Step 2: Convert to fraction form
    11,077.67/15,286.64 = 6,601.32/x
  3. Step 3: Cross multiply
    11,077.67x = 15,286.64 × 6,601.32
  4. Step 4: Simplify right side
    11,077.67x = 100,912,018.87
  5. Step 5: Solve for x
    x = 100,912,018.87/11,077.67
  6. Step 6: Final answer
    x = 9,109.50

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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.