Home / 9,996.21-14,996.61-3,422.39

Finding the Fourth Proportional to 9,996.21, 14,996.61 and 3,422.39

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Solution

The fourth proportional to 9,996.21, 14,996.61 and 3,422.39 is: 5,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.21 : 14,996.61 = 3,422.39 : x
  2. Step 2: Convert to fraction form
    9,996.21/14,996.61 = 3,422.39/x
  3. Step 3: Cross multiply
    9,996.21x = 14,996.61 × 3,422.39
  4. Step 4: Simplify right side
    9,996.21x = 51,324,173.11
  5. Step 5: Solve for x
    x = 51,324,173.11/9,996.21
  6. Step 6: Final answer
    x = 5,134.36

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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.