Home / 13,163.23-19,741.12-3,673.37

Finding the Fourth Proportional to 13,163.23, 19,741.12 and 3,673.37

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Solution

The fourth proportional to 13,163.23, 19,741.12 and 3,673.37 is: 5,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.23 : 19,741.12 = 3,673.37 : x
  2. Step 2: Convert to fraction form
    13,163.23/19,741.12 = 3,673.37/x
  3. Step 3: Cross multiply
    13,163.23x = 19,741.12 × 3,673.37
  4. Step 4: Simplify right side
    13,163.23x = 72,516,367.10
  5. Step 5: Solve for x
    x = 72,516,367.10/13,163.23
  6. Step 6: Final answer
    x = 5,509.01

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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.