Home / 18,268.46-27,403.59-5,122.16

Finding the Fourth Proportional to 18,268.46, 27,403.59 and 5,122.16

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Solution

The fourth proportional to 18,268.46, 27,403.59 and 5,122.16 is: 7,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.46 : 27,403.59 = 5,122.16 : x
  2. Step 2: Convert to fraction form
    18,268.46/27,403.59 = 5,122.16/x
  3. Step 3: Cross multiply
    18,268.46x = 27,403.59 × 5,122.16
  4. Step 4: Simplify right side
    18,268.46x = 140,365,435.54
  5. Step 5: Solve for x
    x = 140,365,435.54/18,268.46
  6. Step 6: Final answer
    x = 7,683.49

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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.