Home / 19,539.72-26,936.82-13,941

Finding the Fourth Proportional to 19,539.72, 26,936.82 and 13,941

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Solution

The fourth proportional to 19,539.72, 26,936.82 and 13,941 is: 19,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.72 : 26,936.82 = 13,941 : x
  2. Step 2: Convert to fraction form
    19,539.72/26,936.82 = 13,941/x
  3. Step 3: Cross multiply
    19,539.72x = 26,936.82 × 13,941
  4. Step 4: Simplify right side
    19,539.72x = 375,526,207.62
  5. Step 5: Solve for x
    x = 375,526,207.62/19,539.72
  6. Step 6: Final answer
    x = 19,218.61

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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.