Home / 20,382.69-30,571.98-5,593.09

Finding the Fourth Proportional to 20,382.69, 30,571.98 and 5,593.09

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Solution

The fourth proportional to 20,382.69, 30,571.98 and 5,593.09 is: 8,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.69 : 30,571.98 = 5,593.09 : x
  2. Step 2: Convert to fraction form
    20,382.69/30,571.98 = 5,593.09/x
  3. Step 3: Cross multiply
    20,382.69x = 30,571.98 × 5,593.09
  4. Step 4: Simplify right side
    20,382.69x = 170,991,835.62
  5. Step 5: Solve for x
    x = 170,991,835.62/20,382.69
  6. Step 6: Final answer
    x = 8,389.07

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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.