Home / 11,834.20-17,765.70-8,889.40

Finding the Fourth Proportional to 11,834.20, 17,765.70 and 8,889.40

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Solution

The fourth proportional to 11,834.20, 17,765.70 and 8,889.40 is: 13,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.20 : 17,765.70 = 8,889.40 : x
  2. Step 2: Convert to fraction form
    11,834.20/17,765.70 = 8,889.40/x
  3. Step 3: Cross multiply
    11,834.20x = 17,765.70 × 8,889.40
  4. Step 4: Simplify right side
    11,834.20x = 157,926,413.58
  5. Step 5: Solve for x
    x = 157,926,413.58/11,834.20
  6. Step 6: Final answer
    x = 13,344.92

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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.