Home / 12,563.80-18,845.70-3,329.08

Finding the Fourth Proportional to 12,563.80, 18,845.70 and 3,329.08

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Solution

The fourth proportional to 12,563.80, 18,845.70 and 3,329.08 is: 4,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.80 : 18,845.70 = 3,329.08 : x
  2. Step 2: Convert to fraction form
    12,563.80/18,845.70 = 3,329.08/x
  3. Step 3: Cross multiply
    12,563.80x = 18,845.70 × 3,329.08
  4. Step 4: Simplify right side
    12,563.80x = 62,738,842.96
  5. Step 5: Solve for x
    x = 62,738,842.96/12,563.80
  6. Step 6: Final answer
    x = 4,993.62

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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.