Home / 20,093.74-27,728.89-11,141.16

Finding the Fourth Proportional to 20,093.74, 27,728.89 and 11,141.16

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Solution

The fourth proportional to 20,093.74, 27,728.89 and 11,141.16 is: 15,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.74 : 27,728.89 = 11,141.16 : x
  2. Step 2: Convert to fraction form
    20,093.74/27,728.89 = 11,141.16/x
  3. Step 3: Cross multiply
    20,093.74x = 27,728.89 × 11,141.16
  4. Step 4: Simplify right side
    20,093.74x = 308,932,000.11
  5. Step 5: Solve for x
    x = 308,932,000.11/20,093.74
  6. Step 6: Final answer
    x = 15,374.54

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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.