Home / 13,650.21-18,837.42-7,600.53

Finding the Fourth Proportional to 13,650.21, 18,837.42 and 7,600.53

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Solution

The fourth proportional to 13,650.21, 18,837.42 and 7,600.53 is: 10,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.21 : 18,837.42 = 7,600.53 : x
  2. Step 2: Convert to fraction form
    13,650.21/18,837.42 = 7,600.53/x
  3. Step 3: Cross multiply
    13,650.21x = 18,837.42 × 7,600.53
  4. Step 4: Simplify right side
    13,650.21x = 143,174,375.83
  5. Step 5: Solve for x
    x = 143,174,375.83/13,650.21
  6. Step 6: Final answer
    x = 10,488.81

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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.