Home / 19,661.44-27,131.83-10,708.89

Finding the Fourth Proportional to 19,661.44, 27,131.83 and 10,708.89

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Solution

The fourth proportional to 19,661.44, 27,131.83 and 10,708.89 is: 14,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.44 : 27,131.83 = 10,708.89 : x
  2. Step 2: Convert to fraction form
    19,661.44/27,131.83 = 10,708.89/x
  3. Step 3: Cross multiply
    19,661.44x = 27,131.83 × 10,708.89
  4. Step 4: Simplify right side
    19,661.44x = 290,551,782.97
  5. Step 5: Solve for x
    x = 290,551,782.97/19,661.44
  6. Step 6: Final answer
    x = 14,777.75

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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.