Home / 11,039.60-15,234.82-6,323.78

Finding the Fourth Proportional to 11,039.60, 15,234.82 and 6,323.78

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Solution

The fourth proportional to 11,039.60, 15,234.82 and 6,323.78 is: 8,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.60 : 15,234.82 = 6,323.78 : x
  2. Step 2: Convert to fraction form
    11,039.60/15,234.82 = 6,323.78/x
  3. Step 3: Cross multiply
    11,039.60x = 15,234.82 × 6,323.78
  4. Step 4: Simplify right side
    11,039.60x = 96,341,650.02
  5. Step 5: Solve for x
    x = 96,341,650.02/11,039.60
  6. Step 6: Final answer
    x = 8,726.91

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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.