Home / 20,524.24-30,789.60-6,670

Finding the Fourth Proportional to 20,524.24, 30,789.60 and 6,670

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Solution

The fourth proportional to 20,524.24, 30,789.60 and 6,670 is: 10,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.24 : 30,789.60 = 6,670 : x
  2. Step 2: Convert to fraction form
    20,524.24/30,789.60 = 6,670/x
  3. Step 3: Cross multiply
    20,524.24x = 30,789.60 × 6,670
  4. Step 4: Simplify right side
    20,524.24x = 205,366,632
  5. Step 5: Solve for x
    x = 205,366,632/20,524.24
  6. Step 6: Final answer
    x = 10,006.05

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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.