Home / 12,568.67-18,852.85-3,208.58

Finding the Fourth Proportional to 12,568.67, 18,852.85 and 3,208.58

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Solution

The fourth proportional to 12,568.67, 18,852.85 and 3,208.58 is: 4,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.67 : 18,852.85 = 3,208.58 : x
  2. Step 2: Convert to fraction form
    12,568.67/18,852.85 = 3,208.58/x
  3. Step 3: Cross multiply
    12,568.67x = 18,852.85 × 3,208.58
  4. Step 4: Simplify right side
    12,568.67x = 60,490,857.90
  5. Step 5: Solve for x
    x = 60,490,857.90/12,568.67
  6. Step 6: Final answer
    x = 4,812.83

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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.