Home / 19,191.37-28,774.70-8,095.09

Finding the Fourth Proportional to 19,191.37, 28,774.70 and 8,095.09

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Solution

The fourth proportional to 19,191.37, 28,774.70 and 8,095.09 is: 12,137.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.37 : 28,774.70 = 8,095.09 : x
  2. Step 2: Convert to fraction form
    19,191.37/28,774.70 = 8,095.09/x
  3. Step 3: Cross multiply
    19,191.37x = 28,774.70 × 8,095.09
  4. Step 4: Simplify right side
    19,191.37x = 232,933,817.68
  5. Step 5: Solve for x
    x = 232,933,817.68/19,191.37
  6. Step 6: Final answer
    x = 12,137.42

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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.