Home / 11,180.70-16,778.75-4,606.89

Finding the Fourth Proportional to 11,180.70, 16,778.75 and 4,606.89

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Solution

The fourth proportional to 11,180.70, 16,778.75 and 4,606.89 is: 6,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.70 : 16,778.75 = 4,606.89 : x
  2. Step 2: Convert to fraction form
    11,180.70/16,778.75 = 4,606.89/x
  3. Step 3: Cross multiply
    11,180.70x = 16,778.75 × 4,606.89
  4. Step 4: Simplify right side
    11,180.70x = 77,297,832.55
  5. Step 5: Solve for x
    x = 77,297,832.55/11,180.70
  6. Step 6: Final answer
    x = 6,913.51

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1.5x scale

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.