Home / 19,918.44-27,498.82-13,213.26

Finding the Fourth Proportional to 19,918.44, 27,498.82 and 13,213.26

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Solution

The fourth proportional to 19,918.44, 27,498.82 and 13,213.26 is: 18,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.44 : 27,498.82 = 13,213.26 : x
  2. Step 2: Convert to fraction form
    19,918.44/27,498.82 = 13,213.26/x
  3. Step 3: Cross multiply
    19,918.44x = 27,498.82 × 13,213.26
  4. Step 4: Simplify right side
    19,918.44x = 363,349,058.35
  5. Step 5: Solve for x
    x = 363,349,058.35/19,918.44
  6. Step 6: Final answer
    x = 18,241.84

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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.