Home / 20,213.94-30,324.14-5,983.86

Finding the Fourth Proportional to 20,213.94, 30,324.14 and 5,983.86

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Solution

The fourth proportional to 20,213.94, 30,324.14 and 5,983.86 is: 8,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.94 : 30,324.14 = 5,983.86 : x
  2. Step 2: Convert to fraction form
    20,213.94/30,324.14 = 5,983.86/x
  3. Step 3: Cross multiply
    20,213.94x = 30,324.14 × 5,983.86
  4. Step 4: Simplify right side
    20,213.94x = 181,455,378.46
  5. Step 5: Solve for x
    x = 181,455,378.46/20,213.94
  6. Step 6: Final answer
    x = 8,976.74

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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.