Home / 11,261.43-15,539.99-6,481.08

Finding the Fourth Proportional to 11,261.43, 15,539.99 and 6,481.08

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Solution

The fourth proportional to 11,261.43, 15,539.99 and 6,481.08 is: 8,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.43 : 15,539.99 = 6,481.08 : x
  2. Step 2: Convert to fraction form
    11,261.43/15,539.99 = 6,481.08/x
  3. Step 3: Cross multiply
    11,261.43x = 15,539.99 × 6,481.08
  4. Step 4: Simplify right side
    11,261.43x = 100,715,885.98
  5. Step 5: Solve for x
    x = 100,715,885.98/11,261.43
  6. Step 6: Final answer
    x = 8,943.44

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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.