Home / 20,231.51-27,917.46-12,273.26

Finding the Fourth Proportional to 20,231.51, 27,917.46 and 12,273.26

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Solution

The fourth proportional to 20,231.51, 27,917.46 and 12,273.26 is: 16,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.51 : 27,917.46 = 12,273.26 : x
  2. Step 2: Convert to fraction form
    20,231.51/27,917.46 = 12,273.26/x
  3. Step 3: Cross multiply
    20,231.51x = 27,917.46 × 12,273.26
  4. Step 4: Simplify right side
    20,231.51x = 342,638,105.53
  5. Step 5: Solve for x
    x = 342,638,105.53/20,231.51
  6. Step 6: Final answer
    x = 16,935.87

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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.