Home / 18,268.08-27,357.96-10,453.20

Finding the Fourth Proportional to 18,268.08, 27,357.96 and 10,453.20

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Solution

The fourth proportional to 18,268.08, 27,357.96 and 10,453.20 is: 15,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.08 : 27,357.96 = 10,453.20 : x
  2. Step 2: Convert to fraction form
    18,268.08/27,357.96 = 10,453.20/x
  3. Step 3: Cross multiply
    18,268.08x = 27,357.96 × 10,453.20
  4. Step 4: Simplify right side
    18,268.08x = 285,978,227.47
  5. Step 5: Solve for x
    x = 285,978,227.47/18,268.08
  6. Step 6: Final answer
    x = 15,654.53

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1.5x scale

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.