Home / 20,190.24-30,285.39-6,150.24

Finding the Fourth Proportional to 20,190.24, 30,285.39 and 6,150.24

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Solution

The fourth proportional to 20,190.24, 30,285.39 and 6,150.24 is: 9,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.24 : 30,285.39 = 6,150.24 : x
  2. Step 2: Convert to fraction form
    20,190.24/30,285.39 = 6,150.24/x
  3. Step 3: Cross multiply
    20,190.24x = 30,285.39 × 6,150.24
  4. Step 4: Simplify right side
    20,190.24x = 186,262,416.99
  5. Step 5: Solve for x
    x = 186,262,416.99/20,190.24
  6. Step 6: Final answer
    x = 9,225.37

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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.