Home / 12,008.67-18,015.26-4,612.56

Finding the Fourth Proportional to 12,008.67, 18,015.26 and 4,612.56

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Solution

The fourth proportional to 12,008.67, 18,015.26 and 4,612.56 is: 6,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.67 : 18,015.26 = 4,612.56 : x
  2. Step 2: Convert to fraction form
    12,008.67/18,015.26 = 4,612.56/x
  3. Step 3: Cross multiply
    12,008.67x = 18,015.26 × 4,612.56
  4. Step 4: Simplify right side
    12,008.67x = 83,096,467.67
  5. Step 5: Solve for x
    x = 83,096,467.67/12,008.67
  6. Step 6: Final answer
    x = 6,919.71

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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.