Home / 22,244.22-30,703.86-12,819.06

Finding the Fourth Proportional to 22,244.22, 30,703.86 and 12,819.06

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Solution

The fourth proportional to 22,244.22, 30,703.86 and 12,819.06 is: 17,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.22 : 30,703.86 = 12,819.06 : x
  2. Step 2: Convert to fraction form
    22,244.22/30,703.86 = 12,819.06/x
  3. Step 3: Cross multiply
    22,244.22x = 30,703.86 × 12,819.06
  4. Step 4: Simplify right side
    22,244.22x = 393,594,623.57
  5. Step 5: Solve for x
    x = 393,594,623.57/22,244.22
  6. Step 6: Final answer
    x = 17,694.24

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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.