Home / 19,998.62-30,003.49-8,751.96

Finding the Fourth Proportional to 19,998.62, 30,003.49 and 8,751.96

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Solution

The fourth proportional to 19,998.62, 30,003.49 and 8,751.96 is: 13,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.62 : 30,003.49 = 8,751.96 : x
  2. Step 2: Convert to fraction form
    19,998.62/30,003.49 = 8,751.96/x
  3. Step 3: Cross multiply
    19,998.62x = 30,003.49 × 8,751.96
  4. Step 4: Simplify right side
    19,998.62x = 262,589,246.28
  5. Step 5: Solve for x
    x = 262,589,246.28/19,998.62
  6. Step 6: Final answer
    x = 13,130.37

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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.