Home / 19,255.56-28,855.44-8,146.92

Finding the Fourth Proportional to 19,255.56, 28,855.44 and 8,146.92

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Solution

The fourth proportional to 19,255.56, 28,855.44 and 8,146.92 is: 12,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.56 : 28,855.44 = 8,146.92 : x
  2. Step 2: Convert to fraction form
    19,255.56/28,855.44 = 8,146.92/x
  3. Step 3: Cross multiply
    19,255.56x = 28,855.44 × 8,146.92
  4. Step 4: Simplify right side
    19,255.56x = 235,082,961.24
  5. Step 5: Solve for x
    x = 235,082,961.24/19,255.56
  6. Step 6: Final answer
    x = 12,208.58

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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.