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Finding the Fourth Proportional to 13,775.72, 19,014.78 and 8,110.01

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Solution

The fourth proportional to 13,775.72, 19,014.78 and 8,110.01 is: 11,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.72 : 19,014.78 = 8,110.01 : x
  2. Step 2: Convert to fraction form
    13,775.72/19,014.78 = 8,110.01/x
  3. Step 3: Cross multiply
    13,775.72x = 19,014.78 × 8,110.01
  4. Step 4: Simplify right side
    13,775.72x = 154,209,960.87
  5. Step 5: Solve for x
    x = 154,209,960.87/13,775.72
  6. Step 6: Final answer
    x = 11,194.33

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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.