Home / 19,188.39-28,770.21-8,092.10

Finding the Fourth Proportional to 19,188.39, 28,770.21 and 8,092.10

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Solution

The fourth proportional to 19,188.39, 28,770.21 and 8,092.10 is: 12,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.39 : 28,770.21 = 8,092.10 : x
  2. Step 2: Convert to fraction form
    19,188.39/28,770.21 = 8,092.10/x
  3. Step 3: Cross multiply
    19,188.39x = 28,770.21 × 8,092.10
  4. Step 4: Simplify right side
    19,188.39x = 232,811,511.03
  5. Step 5: Solve for x
    x = 232,811,511.03/19,188.39
  6. Step 6: Final answer
    x = 12,132.93

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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.