Home / 22,300.20-33,450.30-9,145.80

Finding the Fourth Proportional to 22,300.20, 33,450.30 and 9,145.80

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Solution

The fourth proportional to 22,300.20, 33,450.30 and 9,145.80 is: 13,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,300.20 : 33,450.30 = 9,145.80 : x
  2. Step 2: Convert to fraction form
    22,300.20/33,450.30 = 9,145.80/x
  3. Step 3: Cross multiply
    22,300.20x = 33,450.30 × 9,145.80
  4. Step 4: Simplify right side
    22,300.20x = 305,929,753.74
  5. Step 5: Solve for x
    x = 305,929,753.74/22,300.20
  6. Step 6: Final answer
    x = 13,718.70

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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.