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Finding the Fourth Proportional to 11,895.93, 17,830.08 and 4,495.68

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Solution

The fourth proportional to 11,895.93, 17,830.08 and 4,495.68 is: 6,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.93 : 17,830.08 = 4,495.68 : x
  2. Step 2: Convert to fraction form
    11,895.93/17,830.08 = 4,495.68/x
  3. Step 3: Cross multiply
    11,895.93x = 17,830.08 × 4,495.68
  4. Step 4: Simplify right side
    11,895.93x = 80,158,334.05
  5. Step 5: Solve for x
    x = 80,158,334.05/11,895.93
  6. Step 6: Final answer
    x = 6,738.30

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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.