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Finding the Fourth Proportional to 13,720.96, 18,934.94 and 7,433.33

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Solution

The fourth proportional to 13,720.96, 18,934.94 and 7,433.33 is: 10,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,720.96 : 18,934.94 = 7,433.33 : x
  2. Step 2: Convert to fraction form
    13,720.96/18,934.94 = 7,433.33/x
  3. Step 3: Cross multiply
    13,720.96x = 18,934.94 × 7,433.33
  4. Step 4: Simplify right side
    13,720.96x = 140,749,693.69
  5. Step 5: Solve for x
    x = 140,749,693.69/13,720.96
  6. Step 6: Final answer
    x = 10,258.01

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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.