Home / 21,350.97-29,463.84-11,791.62

Finding the Fourth Proportional to 21,350.97, 29,463.84 and 11,791.62

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Solution

The fourth proportional to 21,350.97, 29,463.84 and 11,791.62 is: 16,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.97 : 29,463.84 = 11,791.62 : x
  2. Step 2: Convert to fraction form
    21,350.97/29,463.84 = 11,791.62/x
  3. Step 3: Cross multiply
    21,350.97x = 29,463.84 × 11,791.62
  4. Step 4: Simplify right side
    21,350.97x = 347,426,405.02
  5. Step 5: Solve for x
    x = 347,426,405.02/21,350.97
  6. Step 6: Final answer
    x = 16,272.16

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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.