Home / 12,672.68-18,997.26-6,012.30

Finding the Fourth Proportional to 12,672.68, 18,997.26 and 6,012.30

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Solution

The fourth proportional to 12,672.68, 18,997.26 and 6,012.30 is: 9,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.68 : 18,997.26 = 6,012.30 : x
  2. Step 2: Convert to fraction form
    12,672.68/18,997.26 = 6,012.30/x
  3. Step 3: Cross multiply
    12,672.68x = 18,997.26 × 6,012.30
  4. Step 4: Simplify right side
    12,672.68x = 114,217,226.30
  5. Step 5: Solve for x
    x = 114,217,226.30/12,672.68
  6. Step 6: Final answer
    x = 9,012.87

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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.