Home / 9,186.12-13,778.04-2,945.64

Finding the Fourth Proportional to 9,186.12, 13,778.04 and 2,945.64

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Solution

The fourth proportional to 9,186.12, 13,778.04 and 2,945.64 is: 4,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.12 : 13,778.04 = 2,945.64 : x
  2. Step 2: Convert to fraction form
    9,186.12/13,778.04 = 2,945.64/x
  3. Step 3: Cross multiply
    9,186.12x = 13,778.04 × 2,945.64
  4. Step 4: Simplify right side
    9,186.12x = 40,585,145.75
  5. Step 5: Solve for x
    x = 40,585,145.75/9,186.12
  6. Step 6: Final answer
    x = 4,418.09

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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.