Home / 11,935.26-16,469.28-6,628.80

Finding the Fourth Proportional to 11,935.26, 16,469.28 and 6,628.80

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Solution

The fourth proportional to 11,935.26, 16,469.28 and 6,628.80 is: 9,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.26 : 16,469.28 = 6,628.80 : x
  2. Step 2: Convert to fraction form
    11,935.26/16,469.28 = 6,628.80/x
  3. Step 3: Cross multiply
    11,935.26x = 16,469.28 × 6,628.80
  4. Step 4: Simplify right side
    11,935.26x = 109,171,563.26
  5. Step 5: Solve for x
    x = 109,171,563.26/11,935.26
  6. Step 6: Final answer
    x = 9,146.98

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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.