Home / 13,236.03-18,265.76-7,268.09

Finding the Fourth Proportional to 13,236.03, 18,265.76 and 7,268.09

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Solution

The fourth proportional to 13,236.03, 18,265.76 and 7,268.09 is: 10,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.03 : 18,265.76 = 7,268.09 : x
  2. Step 2: Convert to fraction form
    13,236.03/18,265.76 = 7,268.09/x
  3. Step 3: Cross multiply
    13,236.03x = 18,265.76 × 7,268.09
  4. Step 4: Simplify right side
    13,236.03x = 132,757,059.93
  5. Step 5: Solve for x
    x = 132,757,059.93/13,236.03
  6. Step 6: Final answer
    x = 10,029.98

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1.5x scale

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.