Home / 11,494.35-15,861.96-6,780.15

Finding the Fourth Proportional to 11,494.35, 15,861.96 and 6,780.15

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Solution

The fourth proportional to 11,494.35, 15,861.96 and 6,780.15 is: 9,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.35 : 15,861.96 = 6,780.15 : x
  2. Step 2: Convert to fraction form
    11,494.35/15,861.96 = 6,780.15/x
  3. Step 3: Cross multiply
    11,494.35x = 15,861.96 × 6,780.15
  4. Step 4: Simplify right side
    11,494.35x = 107,546,468.09
  5. Step 5: Solve for x
    x = 107,546,468.09/11,494.35
  6. Step 6: Final answer
    x = 9,356.46

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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.