Home / 13,550.39-20,298.26-11,351.21

Finding the Fourth Proportional to 13,550.39, 20,298.26 and 11,351.21

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Solution

The fourth proportional to 13,550.39, 20,298.26 and 11,351.21 is: 17,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.39 : 20,298.26 = 11,351.21 : x
  2. Step 2: Convert to fraction form
    13,550.39/20,298.26 = 11,351.21/x
  3. Step 3: Cross multiply
    13,550.39x = 20,298.26 × 11,351.21
  4. Step 4: Simplify right side
    13,550.39x = 230,409,738.78
  5. Step 5: Solve for x
    x = 230,409,738.78/13,550.39
  6. Step 6: Final answer
    x = 17,003.92

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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.