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Finding the Fourth Proportional to 13,650.93, 18,834.93 and 8,343.81

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Solution

The fourth proportional to 13,650.93, 18,834.93 and 8,343.81 is: 11,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.93 : 18,834.93 = 8,343.81 : x
  2. Step 2: Convert to fraction form
    13,650.93/18,834.93 = 8,343.81/x
  3. Step 3: Cross multiply
    13,650.93x = 18,834.93 × 8,343.81
  4. Step 4: Simplify right side
    13,650.93x = 157,155,077.28
  5. Step 5: Solve for x
    x = 157,155,077.28/13,650.93
  6. Step 6: Final answer
    x = 11,512.41

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Why These Related Problems?

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