Home / 12,403.34-18,607.58-4,083.86

Finding the Fourth Proportional to 12,403.34, 18,607.58 and 4,083.86

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Solution

The fourth proportional to 12,403.34, 18,607.58 and 4,083.86 is: 6,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.34 : 18,607.58 = 4,083.86 : x
  2. Step 2: Convert to fraction form
    12,403.34/18,607.58 = 4,083.86/x
  3. Step 3: Cross multiply
    12,403.34x = 18,607.58 × 4,083.86
  4. Step 4: Simplify right side
    12,403.34x = 75,990,638.20
  5. Step 5: Solve for x
    x = 75,990,638.20/12,403.34
  6. Step 6: Final answer
    x = 6,126.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.