Home / 14,568.06-21,852.48-4,179.78

Finding the Fourth Proportional to 14,568.06, 21,852.48 and 4,179.78

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Solution

The fourth proportional to 14,568.06, 21,852.48 and 4,179.78 is: 6,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.06 : 21,852.48 = 4,179.78 : x
  2. Step 2: Convert to fraction form
    14,568.06/21,852.48 = 4,179.78/x
  3. Step 3: Cross multiply
    14,568.06x = 21,852.48 × 4,179.78
  4. Step 4: Simplify right side
    14,568.06x = 91,338,558.85
  5. Step 5: Solve for x
    x = 91,338,558.85/14,568.06
  6. Step 6: Final answer
    x = 6,269.78

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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.