Home / 11,899.57-17,836.80-3,994.59

Finding the Fourth Proportional to 11,899.57, 17,836.80 and 3,994.59

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Solution

The fourth proportional to 11,899.57, 17,836.80 and 3,994.59 is: 5,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.57 : 17,836.80 = 3,994.59 : x
  2. Step 2: Convert to fraction form
    11,899.57/17,836.80 = 3,994.59/x
  3. Step 3: Cross multiply
    11,899.57x = 17,836.80 × 3,994.59
  4. Step 4: Simplify right side
    11,899.57x = 71,250,702.91
  5. Step 5: Solve for x
    x = 71,250,702.91/11,899.57
  6. Step 6: Final answer
    x = 5,987.67

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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.