Home / 12,885.94-19,328.92-3,525.27

Finding the Fourth Proportional to 12,885.94, 19,328.92 and 3,525.27

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Solution

The fourth proportional to 12,885.94, 19,328.92 and 3,525.27 is: 5,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.94 : 19,328.92 = 3,525.27 : x
  2. Step 2: Convert to fraction form
    12,885.94/19,328.92 = 3,525.27/x
  3. Step 3: Cross multiply
    12,885.94x = 19,328.92 × 3,525.27
  4. Step 4: Simplify right side
    12,885.94x = 68,139,573.98
  5. Step 5: Solve for x
    x = 68,139,573.98/12,885.94
  6. Step 6: Final answer
    x = 5,287.90

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Similar ratio
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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.