Home / 12,573.24-18,857.10-3,805.80

Finding the Fourth Proportional to 12,573.24, 18,857.10 and 3,805.80

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Solution

The fourth proportional to 12,573.24, 18,857.10 and 3,805.80 is: 5,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.24 : 18,857.10 = 3,805.80 : x
  2. Step 2: Convert to fraction form
    12,573.24/18,857.10 = 3,805.80/x
  3. Step 3: Cross multiply
    12,573.24x = 18,857.10 × 3,805.80
  4. Step 4: Simplify right side
    12,573.24x = 71,766,351.18
  5. Step 5: Solve for x
    x = 71,766,351.18/12,573.24
  6. Step 6: Final answer
    x = 5,707.86

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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.