Home / 11,273.70-15,541.22-7,906.36

Finding the Fourth Proportional to 11,273.70, 15,541.22 and 7,906.36

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Solution

The fourth proportional to 11,273.70, 15,541.22 and 7,906.36 is: 10,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.70 : 15,541.22 = 7,906.36 : x
  2. Step 2: Convert to fraction form
    11,273.70/15,541.22 = 7,906.36/x
  3. Step 3: Cross multiply
    11,273.70x = 15,541.22 × 7,906.36
  4. Step 4: Simplify right side
    11,273.70x = 122,874,480.16
  5. Step 5: Solve for x
    x = 122,874,480.16/11,273.70
  6. Step 6: Final answer
    x = 10,899.22

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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.