Home / 14,642.26-20,205.94-8,181.95

Finding the Fourth Proportional to 14,642.26, 20,205.94 and 8,181.95

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Solution

The fourth proportional to 14,642.26, 20,205.94 and 8,181.95 is: 11,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642.26 : 20,205.94 = 8,181.95 : x
  2. Step 2: Convert to fraction form
    14,642.26/20,205.94 = 8,181.95/x
  3. Step 3: Cross multiply
    14,642.26x = 20,205.94 × 8,181.95
  4. Step 4: Simplify right side
    14,642.26x = 165,323,889.75
  5. Step 5: Solve for x
    x = 165,323,889.75/14,642.26
  6. Step 6: Final answer
    x = 11,290.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.