Home / 12,573.14-18,862.44-3,808.73

Finding the Fourth Proportional to 12,573.14, 18,862.44 and 3,808.73

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Solution

The fourth proportional to 12,573.14, 18,862.44 and 3,808.73 is: 5,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.14 : 18,862.44 = 3,808.73 : x
  2. Step 2: Convert to fraction form
    12,573.14/18,862.44 = 3,808.73/x
  3. Step 3: Cross multiply
    12,573.14x = 18,862.44 × 3,808.73
  4. Step 4: Simplify right side
    12,573.14x = 71,841,941.10
  5. Step 5: Solve for x
    x = 71,841,941.10/12,573.14
  6. Step 6: Final answer
    x = 5,713.92

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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.