Home / 19,891.89-29,833.20-8,792.55

Finding the Fourth Proportional to 19,891.89, 29,833.20 and 8,792.55

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Solution

The fourth proportional to 19,891.89, 29,833.20 and 8,792.55 is: 13,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.89 : 29,833.20 = 8,792.55 : x
  2. Step 2: Convert to fraction form
    19,891.89/29,833.20 = 8,792.55/x
  3. Step 3: Cross multiply
    19,891.89x = 29,833.20 × 8,792.55
  4. Step 4: Simplify right side
    19,891.89x = 262,309,902.66
  5. Step 5: Solve for x
    x = 262,309,902.66/19,891.89
  6. Step 6: Final answer
    x = 13,186.78

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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.