Home / 11,206.94-15,469.48-6,961.28

Finding the Fourth Proportional to 11,206.94, 15,469.48 and 6,961.28

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Solution

The fourth proportional to 11,206.94, 15,469.48 and 6,961.28 is: 9,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.94 : 15,469.48 = 6,961.28 : x
  2. Step 2: Convert to fraction form
    11,206.94/15,469.48 = 6,961.28/x
  3. Step 3: Cross multiply
    11,206.94x = 15,469.48 × 6,961.28
  4. Step 4: Simplify right side
    11,206.94x = 107,687,313.09
  5. Step 5: Solve for x
    x = 107,687,313.09/11,206.94
  6. Step 6: Final answer
    x = 9,608.98

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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.