Home / 19,333.25-26,679.43-11,375.99

Finding the Fourth Proportional to 19,333.25, 26,679.43 and 11,375.99

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Solution

The fourth proportional to 19,333.25, 26,679.43 and 11,375.99 is: 15,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.25 : 26,679.43 = 11,375.99 : x
  2. Step 2: Convert to fraction form
    19,333.25/26,679.43 = 11,375.99/x
  3. Step 3: Cross multiply
    19,333.25x = 26,679.43 × 11,375.99
  4. Step 4: Simplify right side
    19,333.25x = 303,504,928.89
  5. Step 5: Solve for x
    x = 303,504,928.89/19,333.25
  6. Step 6: Final answer
    x = 15,698.60

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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.