Home / 12,542.04-18,813.42-3,777.12

Finding the Fourth Proportional to 12,542.04, 18,813.42 and 3,777.12

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Solution

The fourth proportional to 12,542.04, 18,813.42 and 3,777.12 is: 5,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.04 : 18,813.42 = 3,777.12 : x
  2. Step 2: Convert to fraction form
    12,542.04/18,813.42 = 3,777.12/x
  3. Step 3: Cross multiply
    12,542.04x = 18,813.42 × 3,777.12
  4. Step 4: Simplify right side
    12,542.04x = 71,060,544.95
  5. Step 5: Solve for x
    x = 71,060,544.95/12,542.04
  6. Step 6: Final answer
    x = 5,665.79

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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.