Home / 20,627.91-30,946.36-11,747.44

Finding the Fourth Proportional to 20,627.91, 30,946.36 and 11,747.44

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Solution

The fourth proportional to 20,627.91, 30,946.36 and 11,747.44 is: 17,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.91 : 30,946.36 = 11,747.44 : x
  2. Step 2: Convert to fraction form
    20,627.91/30,946.36 = 11,747.44/x
  3. Step 3: Cross multiply
    20,627.91x = 30,946.36 × 11,747.44
  4. Step 4: Simplify right side
    20,627.91x = 363,540,448.58
  5. Step 5: Solve for x
    x = 363,540,448.58/20,627.91
  6. Step 6: Final answer
    x = 17,623.72

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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.