Home / 11,128.38-15,357.20-6,092.64

Finding the Fourth Proportional to 11,128.38, 15,357.20 and 6,092.64

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Solution

The fourth proportional to 11,128.38, 15,357.20 and 6,092.64 is: 8,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.38 : 15,357.20 = 6,092.64 : x
  2. Step 2: Convert to fraction form
    11,128.38/15,357.20 = 6,092.64/x
  3. Step 3: Cross multiply
    11,128.38x = 15,357.20 × 6,092.64
  4. Step 4: Simplify right side
    11,128.38x = 93,565,891.01
  5. Step 5: Solve for x
    x = 93,565,891.01/11,128.38
  6. Step 6: Final answer
    x = 8,407.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.