Home / 8,760.24-13,121.06-7,242.04

Finding the Fourth Proportional to 8,760.24, 13,121.06 and 7,242.04

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Solution

The fourth proportional to 8,760.24, 13,121.06 and 7,242.04 is: 10,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.24 : 13,121.06 = 7,242.04 : x
  2. Step 2: Convert to fraction form
    8,760.24/13,121.06 = 7,242.04/x
  3. Step 3: Cross multiply
    8,760.24x = 13,121.06 × 7,242.04
  4. Step 4: Simplify right side
    8,760.24x = 95,023,241.36
  5. Step 5: Solve for x
    x = 95,023,241.36/8,760.24
  6. Step 6: Final answer
    x = 10,847.10

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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.