Home / 22,159.49-33,247.08-13,620.65

Finding the Fourth Proportional to 22,159.49, 33,247.08 and 13,620.65

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Solution

The fourth proportional to 22,159.49, 33,247.08 and 13,620.65 is: 20,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.49 : 33,247.08 = 13,620.65 : x
  2. Step 2: Convert to fraction form
    22,159.49/33,247.08 = 13,620.65/x
  3. Step 3: Cross multiply
    22,159.49x = 33,247.08 × 13,620.65
  4. Step 4: Simplify right side
    22,159.49x = 452,846,673.97
  5. Step 5: Solve for x
    x = 452,846,673.97/22,159.49
  6. Step 6: Final answer
    x = 20,435.79

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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.