Home / 19,261.97-28,843.62-13,330.64

Finding the Fourth Proportional to 19,261.97, 28,843.62 and 13,330.64

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Solution

The fourth proportional to 19,261.97, 28,843.62 and 13,330.64 is: 19,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.97 : 28,843.62 = 13,330.64 : x
  2. Step 2: Convert to fraction form
    19,261.97/28,843.62 = 13,330.64/x
  3. Step 3: Cross multiply
    19,261.97x = 28,843.62 × 13,330.64
  4. Step 4: Simplify right side
    19,261.97x = 384,503,914.52
  5. Step 5: Solve for x
    x = 384,503,914.52/19,261.97
  6. Step 6: Final answer
    x = 19,961.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.