Home / 20,168.44-30,256.98-8,474.92

Finding the Fourth Proportional to 20,168.44, 30,256.98 and 8,474.92

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Solution

The fourth proportional to 20,168.44, 30,256.98 and 8,474.92 is: 12,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168.44 : 30,256.98 = 8,474.92 : x
  2. Step 2: Convert to fraction form
    20,168.44/30,256.98 = 8,474.92/x
  3. Step 3: Cross multiply
    20,168.44x = 30,256.98 × 8,474.92
  4. Step 4: Simplify right side
    20,168.44x = 256,425,484.94
  5. Step 5: Solve for x
    x = 256,425,484.94/20,168.44
  6. Step 6: Final answer
    x = 12,714.20

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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.