Home / 22,420.90-33,631.26-6,838.48

Finding the Fourth Proportional to 22,420.90, 33,631.26 and 6,838.48

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Solution

The fourth proportional to 22,420.90, 33,631.26 and 6,838.48 is: 10,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.90 : 33,631.26 = 6,838.48 : x
  2. Step 2: Convert to fraction form
    22,420.90/33,631.26 = 6,838.48/x
  3. Step 3: Cross multiply
    22,420.90x = 33,631.26 × 6,838.48
  4. Step 4: Simplify right side
    22,420.90x = 229,986,698.88
  5. Step 5: Solve for x
    x = 229,986,698.88/22,420.90
  6. Step 6: Final answer
    x = 10,257.69

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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.