Home / 11,076.38-15,285.40-6,108.38

Finding the Fourth Proportional to 11,076.38, 15,285.40 and 6,108.38

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Solution

The fourth proportional to 11,076.38, 15,285.40 and 6,108.38 is: 8,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.38 : 15,285.40 = 6,108.38 : x
  2. Step 2: Convert to fraction form
    11,076.38/15,285.40 = 6,108.38/x
  3. Step 3: Cross multiply
    11,076.38x = 15,285.40 × 6,108.38
  4. Step 4: Simplify right side
    11,076.38x = 93,368,939.95
  5. Step 5: Solve for x
    x = 93,368,939.95/11,076.38
  6. Step 6: Final answer
    x = 8,429.56

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Double scale
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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.