Home / 22,420.36-33,635.52-6,839.20

Finding the Fourth Proportional to 22,420.36, 33,635.52 and 6,839.20

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Solution

The fourth proportional to 22,420.36, 33,635.52 and 6,839.20 is: 10,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.36 : 33,635.52 = 6,839.20 : x
  2. Step 2: Convert to fraction form
    22,420.36/33,635.52 = 6,839.20/x
  3. Step 3: Cross multiply
    22,420.36x = 33,635.52 × 6,839.20
  4. Step 4: Simplify right side
    22,420.36x = 230,040,048.38
  5. Step 5: Solve for x
    x = 230,040,048.38/22,420.36
  6. Step 6: Final answer
    x = 10,260.32

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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.