Home / 14,255.22-21,382.84-3,866.97

Finding the Fourth Proportional to 14,255.22, 21,382.84 and 3,866.97

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Solution

The fourth proportional to 14,255.22, 21,382.84 and 3,866.97 is: 5,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.22 : 21,382.84 = 3,866.97 : x
  2. Step 2: Convert to fraction form
    14,255.22/21,382.84 = 3,866.97/x
  3. Step 3: Cross multiply
    14,255.22x = 21,382.84 × 3,866.97
  4. Step 4: Simplify right side
    14,255.22x = 82,686,800.79
  5. Step 5: Solve for x
    x = 82,686,800.79/14,255.22
  6. Step 6: Final answer
    x = 5,800.46

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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.