Home / 12,403.25-18,607.44-4,083.77

Finding the Fourth Proportional to 12,403.25, 18,607.44 and 4,083.77

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Solution

The fourth proportional to 12,403.25, 18,607.44 and 4,083.77 is: 6,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.25 : 18,607.44 = 4,083.77 : x
  2. Step 2: Convert to fraction form
    12,403.25/18,607.44 = 4,083.77/x
  3. Step 3: Cross multiply
    12,403.25x = 18,607.44 × 4,083.77
  4. Step 4: Simplify right side
    12,403.25x = 75,988,439.44
  5. Step 5: Solve for x
    x = 75,988,439.44/12,403.25
  6. Step 6: Final answer
    x = 6,126.49

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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.