Home / 12,563.87-18,845.95-3,799.16

Finding the Fourth Proportional to 12,563.87, 18,845.95 and 3,799.16

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Solution

The fourth proportional to 12,563.87, 18,845.95 and 3,799.16 is: 5,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.87 : 18,845.95 = 3,799.16 : x
  2. Step 2: Convert to fraction form
    12,563.87/18,845.95 = 3,799.16/x
  3. Step 3: Cross multiply
    12,563.87x = 18,845.95 × 3,799.16
  4. Step 4: Simplify right side
    12,563.87x = 71,598,675.67
  5. Step 5: Solve for x
    x = 71,598,675.67/12,563.87
  6. Step 6: Final answer
    x = 5,698.78

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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.