Home / 19,738.67-27,238.22-10,786.25

Finding the Fourth Proportional to 19,738.67, 27,238.22 and 10,786.25

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Solution

The fourth proportional to 19,738.67, 27,238.22 and 10,786.25 is: 14,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.67 : 27,238.22 = 10,786.25 : x
  2. Step 2: Convert to fraction form
    19,738.67/27,238.22 = 10,786.25/x
  3. Step 3: Cross multiply
    19,738.67x = 27,238.22 × 10,786.25
  4. Step 4: Simplify right side
    19,738.67x = 293,798,114.62
  5. Step 5: Solve for x
    x = 293,798,114.62/19,738.67
  6. Step 6: Final answer
    x = 14,884.39

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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.