Home / 12,310.85-18,461.41-4,515.41

Finding the Fourth Proportional to 12,310.85, 18,461.41 and 4,515.41

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Solution

The fourth proportional to 12,310.85, 18,461.41 and 4,515.41 is: 6,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.85 : 18,461.41 = 4,515.41 : x
  2. Step 2: Convert to fraction form
    12,310.85/18,461.41 = 4,515.41/x
  3. Step 3: Cross multiply
    12,310.85x = 18,461.41 × 4,515.41
  4. Step 4: Simplify right side
    12,310.85x = 83,360,835.33
  5. Step 5: Solve for x
    x = 83,360,835.33/12,310.85
  6. Step 6: Final answer
    x = 6,771.33

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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.