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Finding the Fourth Proportional to 11,850.40, 17,775.60 and 6,925.60

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Solution

The fourth proportional to 11,850.40, 17,775.60 and 6,925.60 is: 10,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.40 : 17,775.60 = 6,925.60 : x
  2. Step 2: Convert to fraction form
    11,850.40/17,775.60 = 6,925.60/x
  3. Step 3: Cross multiply
    11,850.40x = 17,775.60 × 6,925.60
  4. Step 4: Simplify right side
    11,850.40x = 123,106,695.36
  5. Step 5: Solve for x
    x = 123,106,695.36/11,850.40
  6. Step 6: Final answer
    x = 10,388.40

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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.