Home / 19,899.92-29,845.20-8,800.56

Finding the Fourth Proportional to 19,899.92, 29,845.20 and 8,800.56

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Solution

The fourth proportional to 19,899.92, 29,845.20 and 8,800.56 is: 13,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.92 : 29,845.20 = 8,800.56 : x
  2. Step 2: Convert to fraction form
    19,899.92/29,845.20 = 8,800.56/x
  3. Step 3: Cross multiply
    19,899.92x = 29,845.20 × 8,800.56
  4. Step 4: Simplify right side
    19,899.92x = 262,654,473.31
  5. Step 5: Solve for x
    x = 262,654,473.31/19,899.92
  6. Step 6: Final answer
    x = 13,198.77

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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.