Home / 19,792.94-29,690.63-8,704.85

Finding the Fourth Proportional to 19,792.94, 29,690.63 and 8,704.85

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Solution

The fourth proportional to 19,792.94, 29,690.63 and 8,704.85 is: 13,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.94 : 29,690.63 = 8,704.85 : x
  2. Step 2: Convert to fraction form
    19,792.94/29,690.63 = 8,704.85/x
  3. Step 3: Cross multiply
    19,792.94x = 29,690.63 × 8,704.85
  4. Step 4: Simplify right side
    19,792.94x = 258,452,480.56
  5. Step 5: Solve for x
    x = 258,452,480.56/19,792.94
  6. Step 6: Final answer
    x = 13,057.81

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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.