Home / 18,106.86-27,157.04-4,958.12

Finding the Fourth Proportional to 18,106.86, 27,157.04 and 4,958.12

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Solution

The fourth proportional to 18,106.86, 27,157.04 and 4,958.12 is: 7,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.86 : 27,157.04 = 4,958.12 : x
  2. Step 2: Convert to fraction form
    18,106.86/27,157.04 = 4,958.12/x
  3. Step 3: Cross multiply
    18,106.86x = 27,157.04 × 4,958.12
  4. Step 4: Simplify right side
    18,106.86x = 134,647,863.16
  5. Step 5: Solve for x
    x = 134,647,863.16/18,106.86
  6. Step 6: Final answer
    x = 7,436.29

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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.