Home / 11,519.42-17,261.14-8,016.28

Finding the Fourth Proportional to 11,519.42, 17,261.14 and 8,016.28

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Solution

The fourth proportional to 11,519.42, 17,261.14 and 8,016.28 is: 12,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.42 : 17,261.14 = 8,016.28 : x
  2. Step 2: Convert to fraction form
    11,519.42/17,261.14 = 8,016.28/x
  3. Step 3: Cross multiply
    11,519.42x = 17,261.14 × 8,016.28
  4. Step 4: Simplify right side
    11,519.42x = 138,370,131.36
  5. Step 5: Solve for x
    x = 138,370,131.36/11,519.42
  6. Step 6: Final answer
    x = 12,011.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.