Home / 19,899.74-29,845.06-8,800.43

Finding the Fourth Proportional to 19,899.74, 29,845.06 and 8,800.43

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Solution

The fourth proportional to 19,899.74, 29,845.06 and 8,800.43 is: 13,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.74 : 29,845.06 = 8,800.43 : x
  2. Step 2: Convert to fraction form
    19,899.74/29,845.06 = 8,800.43/x
  3. Step 3: Cross multiply
    19,899.74x = 29,845.06 × 8,800.43
  4. Step 4: Simplify right side
    19,899.74x = 262,649,190.15
  5. Step 5: Solve for x
    x = 262,649,190.15/19,899.74
  6. Step 6: Final answer
    x = 13,198.62

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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.