Home / 20,277.35-30,396.89-9,753.33

Finding the Fourth Proportional to 20,277.35, 30,396.89 and 9,753.33

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Solution

The fourth proportional to 20,277.35, 30,396.89 and 9,753.33 is: 14,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.35 : 30,396.89 = 9,753.33 : x
  2. Step 2: Convert to fraction form
    20,277.35/30,396.89 = 9,753.33/x
  3. Step 3: Cross multiply
    20,277.35x = 30,396.89 × 9,753.33
  4. Step 4: Simplify right side
    20,277.35x = 296,470,923.53
  5. Step 5: Solve for x
    x = 296,470,923.53/20,277.35
  6. Step 6: Final answer
    x = 14,620.79

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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.