Home / 19,391.28-29,086.98-7,704.46

Finding the Fourth Proportional to 19,391.28, 29,086.98 and 7,704.46

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Solution

The fourth proportional to 19,391.28, 29,086.98 and 7,704.46 is: 11,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.28 : 29,086.98 = 7,704.46 : x
  2. Step 2: Convert to fraction form
    19,391.28/29,086.98 = 7,704.46/x
  3. Step 3: Cross multiply
    19,391.28x = 29,086.98 × 7,704.46
  4. Step 4: Simplify right side
    19,391.28x = 224,099,473.93
  5. Step 5: Solve for x
    x = 224,099,473.93/19,391.28
  6. Step 6: Final answer
    x = 11,556.71

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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.