Home / 18,268.23-27,405.72-5,791.39

Finding the Fourth Proportional to 18,268.23, 27,405.72 and 5,791.39

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Solution

The fourth proportional to 18,268.23, 27,405.72 and 5,791.39 is: 8,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.23 : 27,405.72 = 5,791.39 : x
  2. Step 2: Convert to fraction form
    18,268.23/27,405.72 = 5,791.39/x
  3. Step 3: Cross multiply
    18,268.23x = 27,405.72 × 5,791.39
  4. Step 4: Simplify right side
    18,268.23x = 158,717,205.03
  5. Step 5: Solve for x
    x = 158,717,205.03/18,268.23
  6. Step 6: Final answer
    x = 8,688.16

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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.