Home / 9,679.50-14,519.25-3,105.54

Finding the Fourth Proportional to 9,679.50, 14,519.25 and 3,105.54

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Solution

The fourth proportional to 9,679.50, 14,519.25 and 3,105.54 is: 4,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.50 : 14,519.25 = 3,105.54 : x
  2. Step 2: Convert to fraction form
    9,679.50/14,519.25 = 3,105.54/x
  3. Step 3: Cross multiply
    9,679.50x = 14,519.25 × 3,105.54
  4. Step 4: Simplify right side
    9,679.50x = 45,090,111.65
  5. Step 5: Solve for x
    x = 45,090,111.65/9,679.50
  6. Step 6: Final answer
    x = 4,658.31

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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.