Home / 21,441.97-29,584.56-12,370.09

Finding the Fourth Proportional to 21,441.97, 29,584.56 and 12,370.09

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Solution

The fourth proportional to 21,441.97, 29,584.56 and 12,370.09 is: 17,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.97 : 29,584.56 = 12,370.09 : x
  2. Step 2: Convert to fraction form
    21,441.97/29,584.56 = 12,370.09/x
  3. Step 3: Cross multiply
    21,441.97x = 29,584.56 × 12,370.09
  4. Step 4: Simplify right side
    21,441.97x = 365,963,669.81
  5. Step 5: Solve for x
    x = 365,963,669.81/21,441.97
  6. Step 6: Final answer
    x = 17,067.63

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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.