Home / 11,177.72-16,762.60-3,278.04

Finding the Fourth Proportional to 11,177.72, 16,762.60 and 3,278.04

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Solution

The fourth proportional to 11,177.72, 16,762.60 and 3,278.04 is: 4,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.72 : 16,762.60 = 3,278.04 : x
  2. Step 2: Convert to fraction form
    11,177.72/16,762.60 = 3,278.04/x
  3. Step 3: Cross multiply
    11,177.72x = 16,762.60 × 3,278.04
  4. Step 4: Simplify right side
    11,177.72x = 54,948,473.30
  5. Step 5: Solve for x
    x = 54,948,473.30/11,177.72
  6. Step 6: Final answer
    x = 4,915.89

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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.