Home / 14,479.43-19,982.11-8,511.02

Finding the Fourth Proportional to 14,479.43, 19,982.11 and 8,511.02

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Solution

The fourth proportional to 14,479.43, 19,982.11 and 8,511.02 is: 11,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.43 : 19,982.11 = 8,511.02 : x
  2. Step 2: Convert to fraction form
    14,479.43/19,982.11 = 8,511.02/x
  3. Step 3: Cross multiply
    14,479.43x = 19,982.11 × 8,511.02
  4. Step 4: Simplify right side
    14,479.43x = 170,068,137.85
  5. Step 5: Solve for x
    x = 170,068,137.85/14,479.43
  6. Step 6: Final answer
    x = 11,745.50

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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.