Home / 14,558.20-20,090.62-8,270.44

Finding the Fourth Proportional to 14,558.20, 20,090.62 and 8,270.44

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Solution

The fourth proportional to 14,558.20, 20,090.62 and 8,270.44 is: 11,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.20 : 20,090.62 = 8,270.44 : x
  2. Step 2: Convert to fraction form
    14,558.20/20,090.62 = 8,270.44/x
  3. Step 3: Cross multiply
    14,558.20x = 20,090.62 × 8,270.44
  4. Step 4: Simplify right side
    14,558.20x = 166,158,267.27
  5. Step 5: Solve for x
    x = 166,158,267.27/14,558.20
  6. Step 6: Final answer
    x = 11,413.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.