Home / 11,628.46-16,048.62-6,912.70

Finding the Fourth Proportional to 11,628.46, 16,048.62 and 6,912.70

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Solution

The fourth proportional to 11,628.46, 16,048.62 and 6,912.70 is: 9,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.46 : 16,048.62 = 6,912.70 : x
  2. Step 2: Convert to fraction form
    11,628.46/16,048.62 = 6,912.70/x
  3. Step 3: Cross multiply
    11,628.46x = 16,048.62 × 6,912.70
  4. Step 4: Simplify right side
    11,628.46x = 110,939,295.47
  5. Step 5: Solve for x
    x = 110,939,295.47/11,628.46
  6. Step 6: Final answer
    x = 9,540.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.