Home / 19,651.55-29,481.89-5,611.77

Finding the Fourth Proportional to 19,651.55, 29,481.89 and 5,611.77

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Solution

The fourth proportional to 19,651.55, 29,481.89 and 5,611.77 is: 8,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.55 : 29,481.89 = 5,611.77 : x
  2. Step 2: Convert to fraction form
    19,651.55/29,481.89 = 5,611.77/x
  3. Step 3: Cross multiply
    19,651.55x = 29,481.89 × 5,611.77
  4. Step 4: Simplify right side
    19,651.55x = 165,445,557.79
  5. Step 5: Solve for x
    x = 165,445,557.79/19,651.55
  6. Step 6: Final answer
    x = 8,418.96

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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.