Home / 20,523.22-30,785.75-6,290.65

Finding the Fourth Proportional to 20,523.22, 30,785.75 and 6,290.65

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Solution

The fourth proportional to 20,523.22, 30,785.75 and 6,290.65 is: 9,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.22 : 30,785.75 = 6,290.65 : x
  2. Step 2: Convert to fraction form
    20,523.22/30,785.75 = 6,290.65/x
  3. Step 3: Cross multiply
    20,523.22x = 30,785.75 × 6,290.65
  4. Step 4: Simplify right side
    20,523.22x = 193,662,378.24
  5. Step 5: Solve for x
    x = 193,662,378.24/20,523.22
  6. Step 6: Final answer
    x = 9,436.26

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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.