Home / 9,895.20-14,845.01-3,321.21

Finding the Fourth Proportional to 9,895.20, 14,845.01 and 3,321.21

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Solution

The fourth proportional to 9,895.20, 14,845.01 and 3,321.21 is: 4,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.20 : 14,845.01 = 3,321.21 : x
  2. Step 2: Convert to fraction form
    9,895.20/14,845.01 = 3,321.21/x
  3. Step 3: Cross multiply
    9,895.20x = 14,845.01 × 3,321.21
  4. Step 4: Simplify right side
    9,895.20x = 49,303,379.06
  5. Step 5: Solve for x
    x = 49,303,379.06/9,895.20
  6. Step 6: Final answer
    x = 4,982.56

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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.