Home / 11,181.04-16,771.40-2,860.89

Finding the Fourth Proportional to 11,181.04, 16,771.40 and 2,860.89

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Solution

The fourth proportional to 11,181.04, 16,771.40 and 2,860.89 is: 4,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.04 : 16,771.40 = 2,860.89 : x
  2. Step 2: Convert to fraction form
    11,181.04/16,771.40 = 2,860.89/x
  3. Step 3: Cross multiply
    11,181.04x = 16,771.40 × 2,860.89
  4. Step 4: Simplify right side
    11,181.04x = 47,981,221.68
  5. Step 5: Solve for x
    x = 47,981,221.68/11,181.04
  6. Step 6: Final answer
    x = 4,291.30

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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.