Home / 11,154.42-16,731.54-2,834.46

Finding the Fourth Proportional to 11,154.42, 16,731.54 and 2,834.46

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Solution

The fourth proportional to 11,154.42, 16,731.54 and 2,834.46 is: 4,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.42 : 16,731.54 = 2,834.46 : x
  2. Step 2: Convert to fraction form
    11,154.42/16,731.54 = 2,834.46/x
  3. Step 3: Cross multiply
    11,154.42x = 16,731.54 × 2,834.46
  4. Step 4: Simplify right side
    11,154.42x = 47,424,880.87
  5. Step 5: Solve for x
    x = 47,424,880.87/11,154.42
  6. Step 6: Final answer
    x = 4,251.67

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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.