Home / 12,267.37-18,403.22-4,487.05

Finding the Fourth Proportional to 12,267.37, 18,403.22 and 4,487.05

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Solution

The fourth proportional to 12,267.37, 18,403.22 and 4,487.05 is: 6,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.37 : 18,403.22 = 4,487.05 : x
  2. Step 2: Convert to fraction form
    12,267.37/18,403.22 = 4,487.05/x
  3. Step 3: Cross multiply
    12,267.37x = 18,403.22 × 4,487.05
  4. Step 4: Simplify right side
    12,267.37x = 82,576,145.87
  5. Step 5: Solve for x
    x = 82,576,145.87/12,267.37
  6. Step 6: Final answer
    x = 6,731.37

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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.