Home / 12,667.48-18,994.77-4,230.95

Finding the Fourth Proportional to 12,667.48, 18,994.77 and 4,230.95

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Solution

The fourth proportional to 12,667.48, 18,994.77 and 4,230.95 is: 6,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.48 : 18,994.77 = 4,230.95 : x
  2. Step 2: Convert to fraction form
    12,667.48/18,994.77 = 4,230.95/x
  3. Step 3: Cross multiply
    12,667.48x = 18,994.77 × 4,230.95
  4. Step 4: Simplify right side
    12,667.48x = 80,365,874.44
  5. Step 5: Solve for x
    x = 80,365,874.44/12,667.48
  6. Step 6: Final answer
    x = 6,344.27

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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.