Home / 13,067.76-19,601.64-5,274.75

Finding the Fourth Proportional to 13,067.76, 19,601.64 and 5,274.75

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Solution

The fourth proportional to 13,067.76, 19,601.64 and 5,274.75 is: 7,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.76 : 19,601.64 = 5,274.75 : x
  2. Step 2: Convert to fraction form
    13,067.76/19,601.64 = 5,274.75/x
  3. Step 3: Cross multiply
    13,067.76x = 19,601.64 × 5,274.75
  4. Step 4: Simplify right side
    13,067.76x = 103,393,750.59
  5. Step 5: Solve for x
    x = 103,393,750.59/13,067.76
  6. Step 6: Final answer
    x = 7,912.13

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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.