Home / 12,607.82-18,906.26-4,285.60

Finding the Fourth Proportional to 12,607.82, 18,906.26 and 4,285.60

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Solution

The fourth proportional to 12,607.82, 18,906.26 and 4,285.60 is: 6,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.82 : 18,906.26 = 4,285.60 : x
  2. Step 2: Convert to fraction form
    12,607.82/18,906.26 = 4,285.60/x
  3. Step 3: Cross multiply
    12,607.82x = 18,906.26 × 4,285.60
  4. Step 4: Simplify right side
    12,607.82x = 81,024,599.16
  5. Step 5: Solve for x
    x = 81,024,599.16/12,607.82
  6. Step 6: Final answer
    x = 6,426.54

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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.