Home / 21,214.44-31,821.66-8,063.73

Finding the Fourth Proportional to 21,214.44, 31,821.66 and 8,063.73

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Solution

The fourth proportional to 21,214.44, 31,821.66 and 8,063.73 is: 12,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214.44 : 31,821.66 = 8,063.73 : x
  2. Step 2: Convert to fraction form
    21,214.44/31,821.66 = 8,063.73/x
  3. Step 3: Cross multiply
    21,214.44x = 31,821.66 × 8,063.73
  4. Step 4: Simplify right side
    21,214.44x = 256,601,274.39
  5. Step 5: Solve for x
    x = 256,601,274.39/21,214.44
  6. Step 6: Final answer
    x = 12,095.60

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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.