Home / 12,869.82-19,305.90-4,548.96

Finding the Fourth Proportional to 12,869.82, 19,305.90 and 4,548.96

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Solution

The fourth proportional to 12,869.82, 19,305.90 and 4,548.96 is: 6,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.82 : 19,305.90 = 4,548.96 : x
  2. Step 2: Convert to fraction form
    12,869.82/19,305.90 = 4,548.96/x
  3. Step 3: Cross multiply
    12,869.82x = 19,305.90 × 4,548.96
  4. Step 4: Simplify right side
    12,869.82x = 87,821,766.86
  5. Step 5: Solve for x
    x = 87,821,766.86/12,869.82
  6. Step 6: Final answer
    x = 6,823.85

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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.