Home / 11,989.37-17,983.44-4,197.57

Finding the Fourth Proportional to 11,989.37, 17,983.44 and 4,197.57

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Solution

The fourth proportional to 11,989.37, 17,983.44 and 4,197.57 is: 6,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.37 : 17,983.44 = 4,197.57 : x
  2. Step 2: Convert to fraction form
    11,989.37/17,983.44 = 4,197.57/x
  3. Step 3: Cross multiply
    11,989.37x = 17,983.44 × 4,197.57
  4. Step 4: Simplify right side
    11,989.37x = 75,486,748.24
  5. Step 5: Solve for x
    x = 75,486,748.24/11,989.37
  6. Step 6: Final answer
    x = 6,296.14

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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.