Home / 19,511.67-29,276.39-8,270.09

Finding the Fourth Proportional to 19,511.67, 29,276.39 and 8,270.09

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Solution

The fourth proportional to 19,511.67, 29,276.39 and 8,270.09 is: 12,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.67 : 29,276.39 = 8,270.09 : x
  2. Step 2: Convert to fraction form
    19,511.67/29,276.39 = 8,270.09/x
  3. Step 3: Cross multiply
    19,511.67x = 29,276.39 × 8,270.09
  4. Step 4: Simplify right side
    19,511.67x = 242,118,380.18
  5. Step 5: Solve for x
    x = 242,118,380.18/19,511.67
  6. Step 6: Final answer
    x = 12,408.90

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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.