Home / 11,042.67-15,239.29-6,327.86

Finding the Fourth Proportional to 11,042.67, 15,239.29 and 6,327.86

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Solution

The fourth proportional to 11,042.67, 15,239.29 and 6,327.86 is: 8,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.67 : 15,239.29 = 6,327.86 : x
  2. Step 2: Convert to fraction form
    11,042.67/15,239.29 = 6,327.86/x
  3. Step 3: Cross multiply
    11,042.67x = 15,239.29 × 6,327.86
  4. Step 4: Simplify right side
    11,042.67x = 96,432,093.62
  5. Step 5: Solve for x
    x = 96,432,093.62/11,042.67
  6. Step 6: Final answer
    x = 8,732.68

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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.