Home / 10,961.59-15,127.01-6,245.88

Finding the Fourth Proportional to 10,961.59, 15,127.01 and 6,245.88

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Solution

The fourth proportional to 10,961.59, 15,127.01 and 6,245.88 is: 8,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.59 : 15,127.01 = 6,245.88 : x
  2. Step 2: Convert to fraction form
    10,961.59/15,127.01 = 6,245.88/x
  3. Step 3: Cross multiply
    10,961.59x = 15,127.01 × 6,245.88
  4. Step 4: Simplify right side
    10,961.59x = 94,481,489.22
  5. Step 5: Solve for x
    x = 94,481,489.22/10,961.59
  6. Step 6: Final answer
    x = 8,619.32

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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.