Home / 11,551.06-15,940.45-6,245.86

Finding the Fourth Proportional to 11,551.06, 15,940.45 and 6,245.86

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Solution

The fourth proportional to 11,551.06, 15,940.45 and 6,245.86 is: 8,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.06 : 15,940.45 = 6,245.86 : x
  2. Step 2: Convert to fraction form
    11,551.06/15,940.45 = 6,245.86/x
  3. Step 3: Cross multiply
    11,551.06x = 15,940.45 × 6,245.86
  4. Step 4: Simplify right side
    11,551.06x = 99,561,781.75
  5. Step 5: Solve for x
    x = 99,561,781.75/11,551.06
  6. Step 6: Final answer
    x = 8,619.28

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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.