Home / 20,125.44-30,188.18-6,977.82

Finding the Fourth Proportional to 20,125.44, 30,188.18 and 6,977.82

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Solution

The fourth proportional to 20,125.44, 30,188.18 and 6,977.82 is: 10,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.44 : 30,188.18 = 6,977.82 : x
  2. Step 2: Convert to fraction form
    20,125.44/30,188.18 = 6,977.82/x
  3. Step 3: Cross multiply
    20,125.44x = 30,188.18 × 6,977.82
  4. Step 4: Simplify right side
    20,125.44x = 210,647,651.28
  5. Step 5: Solve for x
    x = 210,647,651.28/20,125.44
  6. Step 6: Final answer
    x = 10,466.74

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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.