Home / 11,178.98-16,768.50-4,160.54

Finding the Fourth Proportional to 11,178.98, 16,768.50 and 4,160.54

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Solution

The fourth proportional to 11,178.98, 16,768.50 and 4,160.54 is: 6,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.98 : 16,768.50 = 4,160.54 : x
  2. Step 2: Convert to fraction form
    11,178.98/16,768.50 = 4,160.54/x
  3. Step 3: Cross multiply
    11,178.98x = 16,768.50 × 4,160.54
  4. Step 4: Simplify right side
    11,178.98x = 69,765,931.15
  5. Step 5: Solve for x
    x = 69,765,931.15/11,178.98
  6. Step 6: Final answer
    x = 6,240.82

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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.