Home / 12,568.98-18,853.02-3,208.92

Finding the Fourth Proportional to 12,568.98, 18,853.02 and 3,208.92

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Solution

The fourth proportional to 12,568.98, 18,853.02 and 3,208.92 is: 4,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.98 : 18,853.02 = 3,208.92 : x
  2. Step 2: Convert to fraction form
    12,568.98/18,853.02 = 3,208.92/x
  3. Step 3: Cross multiply
    12,568.98x = 18,853.02 × 3,208.92
  4. Step 4: Simplify right side
    12,568.98x = 60,497,832.94
  5. Step 5: Solve for x
    x = 60,497,832.94/12,568.98
  6. Step 6: Final answer
    x = 4,813.27

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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.