Home / 12,755.15-19,132.94-4,435.44

Finding the Fourth Proportional to 12,755.15, 19,132.94 and 4,435.44

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Solution

The fourth proportional to 12,755.15, 19,132.94 and 4,435.44 is: 6,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.15 : 19,132.94 = 4,435.44 : x
  2. Step 2: Convert to fraction form
    12,755.15/19,132.94 = 4,435.44/x
  3. Step 3: Cross multiply
    12,755.15x = 19,132.94 × 4,435.44
  4. Step 4: Simplify right side
    12,755.15x = 84,862,946.73
  5. Step 5: Solve for x
    x = 84,862,946.73/12,755.15
  6. Step 6: Final answer
    x = 6,653.23

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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.