Home / 22,200.20-33,300.21-10,521.62

Finding the Fourth Proportional to 22,200.20, 33,300.21 and 10,521.62

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Solution

The fourth proportional to 22,200.20, 33,300.21 and 10,521.62 is: 15,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.20 : 33,300.21 = 10,521.62 : x
  2. Step 2: Convert to fraction form
    22,200.20/33,300.21 = 10,521.62/x
  3. Step 3: Cross multiply
    22,200.20x = 33,300.21 × 10,521.62
  4. Step 4: Simplify right side
    22,200.20x = 350,372,155.54
  5. Step 5: Solve for x
    x = 350,372,155.54/22,200.20
  6. Step 6: Final answer
    x = 15,782.39

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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.