Home / 11,004.92-15,171.60-10,660.28

Finding the Fourth Proportional to 11,004.92, 15,171.60 and 10,660.28

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Solution

The fourth proportional to 11,004.92, 15,171.60 and 10,660.28 is: 14,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.92 : 15,171.60 = 10,660.28 : x
  2. Step 2: Convert to fraction form
    11,004.92/15,171.60 = 10,660.28/x
  3. Step 3: Cross multiply
    11,004.92x = 15,171.60 × 10,660.28
  4. Step 4: Simplify right side
    11,004.92x = 161,733,504.05
  5. Step 5: Solve for x
    x = 161,733,504.05/11,004.92
  6. Step 6: Final answer
    x = 14,696.47

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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.