Home / 22,209.20-33,328.20-12,849.20

Finding the Fourth Proportional to 22,209.20, 33,328.20 and 12,849.20

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Solution

The fourth proportional to 22,209.20, 33,328.20 and 12,849.20 is: 19,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.20 : 33,328.20 = 12,849.20 : x
  2. Step 2: Convert to fraction form
    22,209.20/33,328.20 = 12,849.20/x
  3. Step 3: Cross multiply
    22,209.20x = 33,328.20 × 12,849.20
  4. Step 4: Simplify right side
    22,209.20x = 428,240,707.44
  5. Step 5: Solve for x
    x = 428,240,707.44/22,209.20
  6. Step 6: Final answer
    x = 19,282.13

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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.