Home / 11,904.16-17,857.84-4,977.04

Finding the Fourth Proportional to 11,904.16, 17,857.84 and 4,977.04

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Solution

The fourth proportional to 11,904.16, 17,857.84 and 4,977.04 is: 7,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.16 : 17,857.84 = 4,977.04 : x
  2. Step 2: Convert to fraction form
    11,904.16/17,857.84 = 4,977.04/x
  3. Step 3: Cross multiply
    11,904.16x = 17,857.84 × 4,977.04
  4. Step 4: Simplify right side
    11,904.16x = 88,879,183.99
  5. Step 5: Solve for x
    x = 88,879,183.99/11,904.16
  6. Step 6: Final answer
    x = 7,466.23

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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.