Home / 11,890.10-17,833.62-4,493.60

Finding the Fourth Proportional to 11,890.10, 17,833.62 and 4,493.60

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Solution

The fourth proportional to 11,890.10, 17,833.62 and 4,493.60 is: 6,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.10 : 17,833.62 = 4,493.60 : x
  2. Step 2: Convert to fraction form
    11,890.10/17,833.62 = 4,493.60/x
  3. Step 3: Cross multiply
    11,890.10x = 17,833.62 × 4,493.60
  4. Step 4: Simplify right side
    11,890.10x = 80,137,174.27
  5. Step 5: Solve for x
    x = 80,137,174.27/11,890.10
  6. Step 6: Final answer
    x = 6,739.82

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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.