Home / 11,847.42-17,771.04-4,921.92

Finding the Fourth Proportional to 11,847.42, 17,771.04 and 4,921.92

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Solution

The fourth proportional to 11,847.42, 17,771.04 and 4,921.92 is: 7,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.42 : 17,771.04 = 4,921.92 : x
  2. Step 2: Convert to fraction form
    11,847.42/17,771.04 = 4,921.92/x
  3. Step 3: Cross multiply
    11,847.42x = 17,771.04 × 4,921.92
  4. Step 4: Simplify right side
    11,847.42x = 87,467,637.20
  5. Step 5: Solve for x
    x = 87,467,637.20/11,847.42
  6. Step 6: Final answer
    x = 7,382.84

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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.