Home / 13,198.09-19,793.03-4,430.95

Finding the Fourth Proportional to 13,198.09, 19,793.03 and 4,430.95

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Solution

The fourth proportional to 13,198.09, 19,793.03 and 4,430.95 is: 6,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.09 : 19,793.03 = 4,430.95 : x
  2. Step 2: Convert to fraction form
    13,198.09/19,793.03 = 4,430.95/x
  3. Step 3: Cross multiply
    13,198.09x = 19,793.03 × 4,430.95
  4. Step 4: Simplify right side
    13,198.09x = 87,702,003.36
  5. Step 5: Solve for x
    x = 87,702,003.36/13,198.09
  6. Step 6: Final answer
    x = 6,645.05

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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.