Home / 20,203.56-30,305.49-7,556.17

Finding the Fourth Proportional to 20,203.56, 30,305.49 and 7,556.17

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Solution

The fourth proportional to 20,203.56, 30,305.49 and 7,556.17 is: 11,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.56 : 30,305.49 = 7,556.17 : x
  2. Step 2: Convert to fraction form
    20,203.56/30,305.49 = 7,556.17/x
  3. Step 3: Cross multiply
    20,203.56x = 30,305.49 × 7,556.17
  4. Step 4: Simplify right side
    20,203.56x = 228,993,429.60
  5. Step 5: Solve for x
    x = 228,993,429.60/20,203.56
  6. Step 6: Final answer
    x = 11,334.31

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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.