Home / 21,553.26-29,736.58-13,052.66

Finding the Fourth Proportional to 21,553.26, 29,736.58 and 13,052.66

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Solution

The fourth proportional to 21,553.26, 29,736.58 and 13,052.66 is: 18,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.26 : 29,736.58 = 13,052.66 : x
  2. Step 2: Convert to fraction form
    21,553.26/29,736.58 = 13,052.66/x
  3. Step 3: Cross multiply
    21,553.26x = 29,736.58 × 13,052.66
  4. Step 4: Simplify right side
    21,553.26x = 388,141,468.30
  5. Step 5: Solve for x
    x = 388,141,468.30/21,553.26
  6. Step 6: Final answer
    x = 18,008.48

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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.