Home / 12,607.44-18,922.84-6,371.86

Finding the Fourth Proportional to 12,607.44, 18,922.84 and 6,371.86

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Solution

The fourth proportional to 12,607.44, 18,922.84 and 6,371.86 is: 9,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.44 : 18,922.84 = 6,371.86 : x
  2. Step 2: Convert to fraction form
    12,607.44/18,922.84 = 6,371.86/x
  3. Step 3: Cross multiply
    12,607.44x = 18,922.84 × 6,371.86
  4. Step 4: Simplify right side
    12,607.44x = 120,573,687.28
  5. Step 5: Solve for x
    x = 120,573,687.28/12,607.44
  6. Step 6: Final answer
    x = 9,563.69

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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.