Home / 22,042.26-30,418.32-11,970.69

Finding the Fourth Proportional to 22,042.26, 30,418.32 and 11,970.69

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Solution

The fourth proportional to 22,042.26, 30,418.32 and 11,970.69 is: 16,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.26 : 30,418.32 = 11,970.69 : x
  2. Step 2: Convert to fraction form
    22,042.26/30,418.32 = 11,970.69/x
  3. Step 3: Cross multiply
    22,042.26x = 30,418.32 × 11,970.69
  4. Step 4: Simplify right side
    22,042.26x = 364,128,279.04
  5. Step 5: Solve for x
    x = 364,128,279.04/22,042.26
  6. Step 6: Final answer
    x = 16,519.55

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.