Home / 11,101.22-16,638.76-4,078.90

Finding the Fourth Proportional to 11,101.22, 16,638.76 and 4,078.90

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Solution

The fourth proportional to 11,101.22, 16,638.76 and 4,078.90 is: 6,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.22 : 16,638.76 = 4,078.90 : x
  2. Step 2: Convert to fraction form
    11,101.22/16,638.76 = 4,078.90/x
  3. Step 3: Cross multiply
    11,101.22x = 16,638.76 × 4,078.90
  4. Step 4: Simplify right side
    11,101.22x = 67,867,838.16
  5. Step 5: Solve for x
    x = 67,867,838.16/11,101.22
  6. Step 6: Final answer
    x = 6,113.55

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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.