Home / 11,276.21-16,915.94-3,485.63

Finding the Fourth Proportional to 11,276.21, 16,915.94 and 3,485.63

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Solution

The fourth proportional to 11,276.21, 16,915.94 and 3,485.63 is: 5,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.21 : 16,915.94 = 3,485.63 : x
  2. Step 2: Convert to fraction form
    11,276.21/16,915.94 = 3,485.63/x
  3. Step 3: Cross multiply
    11,276.21x = 16,915.94 × 3,485.63
  4. Step 4: Simplify right side
    11,276.21x = 58,962,605.93
  5. Step 5: Solve for x
    x = 58,962,605.93/11,276.21
  6. Step 6: Final answer
    x = 5,228.94

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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.