Home / 20,165.62-30,245.19-6,314.62

Finding the Fourth Proportional to 20,165.62, 30,245.19 and 6,314.62

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Solution

The fourth proportional to 20,165.62, 30,245.19 and 6,314.62 is: 9,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.62 : 30,245.19 = 6,314.62 : x
  2. Step 2: Convert to fraction form
    20,165.62/30,245.19 = 6,314.62/x
  3. Step 3: Cross multiply
    20,165.62x = 30,245.19 × 6,314.62
  4. Step 4: Simplify right side
    20,165.62x = 190,986,881.68
  5. Step 5: Solve for x
    x = 190,986,881.68/20,165.62
  6. Step 6: Final answer
    x = 9,470.92

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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.