Home / 12,014.16-18,027.96-4,227.60

Finding the Fourth Proportional to 12,014.16, 18,027.96 and 4,227.60

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Solution

The fourth proportional to 12,014.16, 18,027.96 and 4,227.60 is: 6,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.16 : 18,027.96 = 4,227.60 : x
  2. Step 2: Convert to fraction form
    12,014.16/18,027.96 = 4,227.60/x
  3. Step 3: Cross multiply
    12,014.16x = 18,027.96 × 4,227.60
  4. Step 4: Simplify right side
    12,014.16x = 76,215,003.70
  5. Step 5: Solve for x
    x = 76,215,003.70/12,014.16
  6. Step 6: Final answer
    x = 6,343.76

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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.