Home / 20,607.37-30,910.72-6,567.21

Finding the Fourth Proportional to 20,607.37, 30,910.72 and 6,567.21

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Solution

The fourth proportional to 20,607.37, 30,910.72 and 6,567.21 is: 9,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.37 : 30,910.72 = 6,567.21 : x
  2. Step 2: Convert to fraction form
    20,607.37/30,910.72 = 6,567.21/x
  3. Step 3: Cross multiply
    20,607.37x = 30,910.72 × 6,567.21
  4. Step 4: Simplify right side
    20,607.37x = 202,997,189.49
  5. Step 5: Solve for x
    x = 202,997,189.49/20,607.37
  6. Step 6: Final answer
    x = 9,850.71

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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.