Home / 11,647.18-16,072.77-6,341.86

Finding the Fourth Proportional to 11,647.18, 16,072.77 and 6,341.86

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Solution

The fourth proportional to 11,647.18, 16,072.77 and 6,341.86 is: 8,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.18 : 16,072.77 = 6,341.86 : x
  2. Step 2: Convert to fraction form
    11,647.18/16,072.77 = 6,341.86/x
  3. Step 3: Cross multiply
    11,647.18x = 16,072.77 × 6,341.86
  4. Step 4: Simplify right side
    11,647.18x = 101,931,257.15
  5. Step 5: Solve for x
    x = 101,931,257.15/11,647.18
  6. Step 6: Final answer
    x = 8,751.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.