Home / 8,760.36-13,150.94-6,912.80

Finding the Fourth Proportional to 8,760.36, 13,150.94 and 6,912.80

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Solution

The fourth proportional to 8,760.36, 13,150.94 and 6,912.80 is: 10,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.36 : 13,150.94 = 6,912.80 : x
  2. Step 2: Convert to fraction form
    8,760.36/13,150.94 = 6,912.80/x
  3. Step 3: Cross multiply
    8,760.36x = 13,150.94 × 6,912.80
  4. Step 4: Simplify right side
    8,760.36x = 90,909,818.03
  5. Step 5: Solve for x
    x = 90,909,818.03/8,760.36
  6. Step 6: Final answer
    x = 10,377.41

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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.