Home / 19,620.54-27,074.37-11,120.97

Finding the Fourth Proportional to 19,620.54, 27,074.37 and 11,120.97

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Solution

The fourth proportional to 19,620.54, 27,074.37 and 11,120.97 is: 15,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.54 : 27,074.37 = 11,120.97 : x
  2. Step 2: Convert to fraction form
    19,620.54/27,074.37 = 11,120.97/x
  3. Step 3: Cross multiply
    19,620.54x = 27,074.37 × 11,120.97
  4. Step 4: Simplify right side
    19,620.54x = 301,093,256.54
  5. Step 5: Solve for x
    x = 301,093,256.54/19,620.54
  6. Step 6: Final answer
    x = 15,345.82

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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.