Home / 21,667.97-29,884.82-14,116.68

Finding the Fourth Proportional to 21,667.97, 29,884.82 and 14,116.68

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Solution

The fourth proportional to 21,667.97, 29,884.82 and 14,116.68 is: 19,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667.97 : 29,884.82 = 14,116.68 : x
  2. Step 2: Convert to fraction form
    21,667.97/29,884.82 = 14,116.68/x
  3. Step 3: Cross multiply
    21,667.97x = 29,884.82 × 14,116.68
  4. Step 4: Simplify right side
    21,667.97x = 421,874,370.21
  5. Step 5: Solve for x
    x = 421,874,370.21/21,667.97
  6. Step 6: Final answer
    x = 19,469.95

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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.