Home / 22,209.20-33,313.80-7,418.60

Finding the Fourth Proportional to 22,209.20, 33,313.80 and 7,418.60

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Solution

The fourth proportional to 22,209.20, 33,313.80 and 7,418.60 is: 11,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.20 : 33,313.80 = 7,418.60 : x
  2. Step 2: Convert to fraction form
    22,209.20/33,313.80 = 7,418.60/x
  3. Step 3: Cross multiply
    22,209.20x = 33,313.80 × 7,418.60
  4. Step 4: Simplify right side
    22,209.20x = 247,141,756.68
  5. Step 5: Solve for x
    x = 247,141,756.68/22,209.20
  6. Step 6: Final answer
    x = 11,127.90

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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.