Home / 22,244.72-30,704.28-12,819.92

Finding the Fourth Proportional to 22,244.72, 30,704.28 and 12,819.92

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Solution

The fourth proportional to 22,244.72, 30,704.28 and 12,819.92 is: 17,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.72 : 30,704.28 = 12,819.92 : x
  2. Step 2: Convert to fraction form
    22,244.72/30,704.28 = 12,819.92/x
  3. Step 3: Cross multiply
    22,244.72x = 30,704.28 × 12,819.92
  4. Step 4: Simplify right side
    22,244.72x = 393,626,413.26
  5. Step 5: Solve for x
    x = 393,626,413.26/22,244.72
  6. Step 6: Final answer
    x = 17,695.27

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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.