Home / 18,115.86-27,173.81-4,968.33

Finding the Fourth Proportional to 18,115.86, 27,173.81 and 4,968.33

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Solution

The fourth proportional to 18,115.86, 27,173.81 and 4,968.33 is: 7,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.86 : 27,173.81 = 4,968.33 : x
  2. Step 2: Convert to fraction form
    18,115.86/27,173.81 = 4,968.33/x
  3. Step 3: Cross multiply
    18,115.86x = 27,173.81 × 4,968.33
  4. Step 4: Simplify right side
    18,115.86x = 135,008,430.60
  5. Step 5: Solve for x
    x = 135,008,430.60/18,115.86
  6. Step 6: Final answer
    x = 7,452.50

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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.