Home / 20,176.44-30,271.23-8,486.52

Finding the Fourth Proportional to 20,176.44, 30,271.23 and 8,486.52

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Solution

The fourth proportional to 20,176.44, 30,271.23 and 8,486.52 is: 12,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.44 : 30,271.23 = 8,486.52 : x
  2. Step 2: Convert to fraction form
    20,176.44/30,271.23 = 8,486.52/x
  3. Step 3: Cross multiply
    20,176.44x = 30,271.23 × 8,486.52
  4. Step 4: Simplify right side
    20,176.44x = 256,897,398.82
  5. Step 5: Solve for x
    x = 256,897,398.82/20,176.44
  6. Step 6: Final answer
    x = 12,732.54

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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.