Home / 11,180.91-16,779.11-4,167.33

Finding the Fourth Proportional to 11,180.91, 16,779.11 and 4,167.33

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Solution

The fourth proportional to 11,180.91, 16,779.11 and 4,167.33 is: 6,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.91 : 16,779.11 = 4,167.33 : x
  2. Step 2: Convert to fraction form
    11,180.91/16,779.11 = 4,167.33/x
  3. Step 3: Cross multiply
    11,180.91x = 16,779.11 × 4,167.33
  4. Step 4: Simplify right side
    11,180.91x = 69,924,088.48
  5. Step 5: Solve for x
    x = 69,924,088.48/11,180.91
  6. Step 6: Final answer
    x = 6,253.88

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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.