Home / 20,226.21-30,319.71-7,736.63

Finding the Fourth Proportional to 20,226.21, 30,319.71 and 7,736.63

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Solution

The fourth proportional to 20,226.21, 30,319.71 and 7,736.63 is: 11,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.21 : 30,319.71 = 7,736.63 : x
  2. Step 2: Convert to fraction form
    20,226.21/30,319.71 = 7,736.63/x
  3. Step 3: Cross multiply
    20,226.21x = 30,319.71 × 7,736.63
  4. Step 4: Simplify right side
    20,226.21x = 234,572,226.38
  5. Step 5: Solve for x
    x = 234,572,226.38/20,226.21
  6. Step 6: Final answer
    x = 11,597.44

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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.