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Finding the Fourth Proportional to 13,775.54, 19,010.46 and 7,487.94

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Solution

The fourth proportional to 13,775.54, 19,010.46 and 7,487.94 is: 10,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.54 : 19,010.46 = 7,487.94 : x
  2. Step 2: Convert to fraction form
    13,775.54/19,010.46 = 7,487.94/x
  3. Step 3: Cross multiply
    13,775.54x = 19,010.46 × 7,487.94
  4. Step 4: Simplify right side
    13,775.54x = 142,349,183.85
  5. Step 5: Solve for x
    x = 142,349,183.85/13,775.54
  6. Step 6: Final answer
    x = 10,333.47

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