Home / 13,270.59-19,906.97-3,782.79

Finding the Fourth Proportional to 13,270.59, 19,906.97 and 3,782.79

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Solution

The fourth proportional to 13,270.59, 19,906.97 and 3,782.79 is: 5,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.59 : 19,906.97 = 3,782.79 : x
  2. Step 2: Convert to fraction form
    13,270.59/19,906.97 = 3,782.79/x
  3. Step 3: Cross multiply
    13,270.59x = 19,906.97 × 3,782.79
  4. Step 4: Simplify right side
    13,270.59x = 75,303,868.13
  5. Step 5: Solve for x
    x = 75,303,868.13/13,270.59
  6. Step 6: Final answer
    x = 5,674.49

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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.