Home / 22,268.88-30,726.14-13,656.90

Finding the Fourth Proportional to 22,268.88, 30,726.14 and 13,656.90

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Solution

The fourth proportional to 22,268.88, 30,726.14 and 13,656.90 is: 18,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.88 : 30,726.14 = 13,656.90 : x
  2. Step 2: Convert to fraction form
    22,268.88/30,726.14 = 13,656.90/x
  3. Step 3: Cross multiply
    22,268.88x = 30,726.14 × 13,656.90
  4. Step 4: Simplify right side
    22,268.88x = 419,623,821.37
  5. Step 5: Solve for x
    x = 419,623,821.37/22,268.88
  6. Step 6: Final answer
    x = 18,843.51

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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.