Home / 13,884.06-20,826.20-3,495.81

Finding the Fourth Proportional to 13,884.06, 20,826.20 and 3,495.81

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Solution

The fourth proportional to 13,884.06, 20,826.20 and 3,495.81 is: 5,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.06 : 20,826.20 = 3,495.81 : x
  2. Step 2: Convert to fraction form
    13,884.06/20,826.20 = 3,495.81/x
  3. Step 3: Cross multiply
    13,884.06x = 20,826.20 × 3,495.81
  4. Step 4: Simplify right side
    13,884.06x = 72,804,438.22
  5. Step 5: Solve for x
    x = 72,804,438.22/13,884.06
  6. Step 6: Final answer
    x = 5,243.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.