Home / 13,629.28-18,806.08-8,041.44

Finding the Fourth Proportional to 13,629.28, 18,806.08 and 8,041.44

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Solution

The fourth proportional to 13,629.28, 18,806.08 and 8,041.44 is: 11,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.28 : 18,806.08 = 8,041.44 : x
  2. Step 2: Convert to fraction form
    13,629.28/18,806.08 = 8,041.44/x
  3. Step 3: Cross multiply
    13,629.28x = 18,806.08 × 8,041.44
  4. Step 4: Simplify right side
    13,629.28x = 151,227,963.96
  5. Step 5: Solve for x
    x = 151,227,963.96/13,629.28
  6. Step 6: Final answer
    x = 11,095.81

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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.