Home / 11,743.21-17,610.44-4,720.85

Finding the Fourth Proportional to 11,743.21, 17,610.44 and 4,720.85

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Solution

The fourth proportional to 11,743.21, 17,610.44 and 4,720.85 is: 7,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.21 : 17,610.44 = 4,720.85 : x
  2. Step 2: Convert to fraction form
    11,743.21/17,610.44 = 4,720.85/x
  3. Step 3: Cross multiply
    11,743.21x = 17,610.44 × 4,720.85
  4. Step 4: Simplify right side
    11,743.21x = 83,136,245.67
  5. Step 5: Solve for x
    x = 83,136,245.67/11,743.21
  6. Step 6: Final answer
    x = 7,079.52

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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.