Home / 21,489.54-32,234.32-6,699.65

Finding the Fourth Proportional to 21,489.54, 32,234.32 and 6,699.65

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Solution

The fourth proportional to 21,489.54, 32,234.32 and 6,699.65 is: 10,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.54 : 32,234.32 = 6,699.65 : x
  2. Step 2: Convert to fraction form
    21,489.54/32,234.32 = 6,699.65/x
  3. Step 3: Cross multiply
    21,489.54x = 32,234.32 × 6,699.65
  4. Step 4: Simplify right side
    21,489.54x = 215,958,661.99
  5. Step 5: Solve for x
    x = 215,958,661.99/21,489.54
  6. Step 6: Final answer
    x = 10,049.48

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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.