Home / 22,255.88-30,714.54-12,824.28

Finding the Fourth Proportional to 22,255.88, 30,714.54 and 12,824.28

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Solution

The fourth proportional to 22,255.88, 30,714.54 and 12,824.28 is: 17,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.88 : 30,714.54 = 12,824.28 : x
  2. Step 2: Convert to fraction form
    22,255.88/30,714.54 = 12,824.28/x
  3. Step 3: Cross multiply
    22,255.88x = 30,714.54 × 12,824.28
  4. Step 4: Simplify right side
    22,255.88x = 393,891,861.03
  5. Step 5: Solve for x
    x = 393,891,861.03/22,255.88
  6. Step 6: Final answer
    x = 17,698.33

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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.