Home / 8,760.20-13,172.70-7,334.60

Finding the Fourth Proportional to 8,760.20, 13,172.70 and 7,334.60

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Solution

The fourth proportional to 8,760.20, 13,172.70 and 7,334.60 is: 11,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.20 : 13,172.70 = 7,334.60 : x
  2. Step 2: Convert to fraction form
    8,760.20/13,172.70 = 7,334.60/x
  3. Step 3: Cross multiply
    8,760.20x = 13,172.70 × 7,334.60
  4. Step 4: Simplify right side
    8,760.20x = 96,616,485.42
  5. Step 5: Solve for x
    x = 96,616,485.42/8,760.20
  6. Step 6: Final answer
    x = 11,029.03

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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.