Home / 13,222.37-18,246.71-7,254.09

Finding the Fourth Proportional to 13,222.37, 18,246.71 and 7,254.09

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Solution

The fourth proportional to 13,222.37, 18,246.71 and 7,254.09 is: 10,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.37 : 18,246.71 = 7,254.09 : x
  2. Step 2: Convert to fraction form
    13,222.37/18,246.71 = 7,254.09/x
  3. Step 3: Cross multiply
    13,222.37x = 18,246.71 × 7,254.09
  4. Step 4: Simplify right side
    13,222.37x = 132,363,240.27
  5. Step 5: Solve for x
    x = 132,363,240.27/13,222.37
  6. Step 6: Final answer
    x = 10,010.56

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