Home / 12,226.43-18,323.22-6,671.45

Finding the Fourth Proportional to 12,226.43, 18,323.22 and 6,671.45

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Solution

The fourth proportional to 12,226.43, 18,323.22 and 6,671.45 is: 9,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.43 : 18,323.22 = 6,671.45 : x
  2. Step 2: Convert to fraction form
    12,226.43/18,323.22 = 6,671.45/x
  3. Step 3: Cross multiply
    12,226.43x = 18,323.22 × 6,671.45
  4. Step 4: Simplify right side
    12,226.43x = 122,242,446.07
  5. Step 5: Solve for x
    x = 122,242,446.07/12,226.43
  6. Step 6: Final answer
    x = 9,998.21

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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.