Home / 9,431.91-14,149.60-3,107.16

Finding the Fourth Proportional to 9,431.91, 14,149.60 and 3,107.16

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Solution

The fourth proportional to 9,431.91, 14,149.60 and 3,107.16 is: 4,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.91 : 14,149.60 = 3,107.16 : x
  2. Step 2: Convert to fraction form
    9,431.91/14,149.60 = 3,107.16/x
  3. Step 3: Cross multiply
    9,431.91x = 14,149.60 × 3,107.16
  4. Step 4: Simplify right side
    9,431.91x = 43,965,071.14
  5. Step 5: Solve for x
    x = 43,965,071.14/9,431.91
  6. Step 6: Final answer
    x = 4,661.31

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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.