Home / 11,890.41-17,834.27-3,126.02

Finding the Fourth Proportional to 11,890.41, 17,834.27 and 3,126.02

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Solution

The fourth proportional to 11,890.41, 17,834.27 and 3,126.02 is: 4,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.41 : 17,834.27 = 3,126.02 : x
  2. Step 2: Convert to fraction form
    11,890.41/17,834.27 = 3,126.02/x
  3. Step 3: Cross multiply
    11,890.41x = 17,834.27 × 3,126.02
  4. Step 4: Simplify right side
    11,890.41x = 55,750,179.90
  5. Step 5: Solve for x
    x = 55,750,179.90/11,890.41
  6. Step 6: Final answer
    x = 4,688.67

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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.