Home / 11,834.70-17,766.45-8,889.90

Finding the Fourth Proportional to 11,834.70, 17,766.45 and 8,889.90

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Solution

The fourth proportional to 11,834.70, 17,766.45 and 8,889.90 is: 13,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,834.70 : 17,766.45 = 8,889.90 : x
  2. Step 2: Convert to fraction form
    11,834.70/17,766.45 = 8,889.90/x
  3. Step 3: Cross multiply
    11,834.70x = 17,766.45 × 8,889.90
  4. Step 4: Simplify right side
    11,834.70x = 157,941,963.86
  5. Step 5: Solve for x
    x = 157,941,963.86/11,834.70
  6. Step 6: Final answer
    x = 13,345.67

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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.