Home / 21,591.67-29,796.38-12,163.27

Finding the Fourth Proportional to 21,591.67, 29,796.38 and 12,163.27

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Solution

The fourth proportional to 21,591.67, 29,796.38 and 12,163.27 is: 16,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.67 : 29,796.38 = 12,163.27 : x
  2. Step 2: Convert to fraction form
    21,591.67/29,796.38 = 12,163.27/x
  3. Step 3: Cross multiply
    21,591.67x = 29,796.38 × 12,163.27
  4. Step 4: Simplify right side
    21,591.67x = 362,421,354.15
  5. Step 5: Solve for x
    x = 362,421,354.15/21,591.67
  6. Step 6: Final answer
    x = 16,785.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.