Home / 22,359.09-33,494.80-12,979.44

Finding the Fourth Proportional to 22,359.09, 33,494.80 and 12,979.44

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Solution

The fourth proportional to 22,359.09, 33,494.80 and 12,979.44 is: 19,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.09 : 33,494.80 = 12,979.44 : x
  2. Step 2: Convert to fraction form
    22,359.09/33,494.80 = 12,979.44/x
  3. Step 3: Cross multiply
    22,359.09x = 33,494.80 × 12,979.44
  4. Step 4: Simplify right side
    22,359.09x = 434,743,746.91
  5. Step 5: Solve for x
    x = 434,743,746.91/22,359.09
  6. Step 6: Final answer
    x = 19,443.71

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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.