Home / 11,884.12-17,819.56-4,869.05

Finding the Fourth Proportional to 11,884.12, 17,819.56 and 4,869.05

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Solution

The fourth proportional to 11,884.12, 17,819.56 and 4,869.05 is: 7,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.12 : 17,819.56 = 4,869.05 : x
  2. Step 2: Convert to fraction form
    11,884.12/17,819.56 = 4,869.05/x
  3. Step 3: Cross multiply
    11,884.12x = 17,819.56 × 4,869.05
  4. Step 4: Simplify right side
    11,884.12x = 86,764,245.61
  5. Step 5: Solve for x
    x = 86,764,245.61/11,884.12
  6. Step 6: Final answer
    x = 7,300.86

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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.