Home / 13,195.53-19,793.38-4,430.44

Finding the Fourth Proportional to 13,195.53, 19,793.38 and 4,430.44

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Solution

The fourth proportional to 13,195.53, 19,793.38 and 4,430.44 is: 6,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.53 : 19,793.38 = 4,430.44 : x
  2. Step 2: Convert to fraction form
    13,195.53/19,793.38 = 4,430.44/x
  3. Step 3: Cross multiply
    13,195.53x = 19,793.38 × 4,430.44
  4. Step 4: Simplify right side
    13,195.53x = 87,693,371.85
  5. Step 5: Solve for x
    x = 87,693,371.85/13,195.53
  6. Step 6: Final answer
    x = 6,645.69

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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.