Home / 20,165.23-30,247.89-6,125.37

Finding the Fourth Proportional to 20,165.23, 30,247.89 and 6,125.37

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Solution

The fourth proportional to 20,165.23, 30,247.89 and 6,125.37 is: 9,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.23 : 30,247.89 = 6,125.37 : x
  2. Step 2: Convert to fraction form
    20,165.23/30,247.89 = 6,125.37/x
  3. Step 3: Cross multiply
    20,165.23x = 30,247.89 × 6,125.37
  4. Step 4: Simplify right side
    20,165.23x = 185,279,517.97
  5. Step 5: Solve for x
    x = 185,279,517.97/20,165.23
  6. Step 6: Final answer
    x = 9,188.07

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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.