Home / 12,071.82-18,080.97-9,277.92

Finding the Fourth Proportional to 12,071.82, 18,080.97 and 9,277.92

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Solution

The fourth proportional to 12,071.82, 18,080.97 and 9,277.92 is: 13,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.82 : 18,080.97 = 9,277.92 : x
  2. Step 2: Convert to fraction form
    12,071.82/18,080.97 = 9,277.92/x
  3. Step 3: Cross multiply
    12,071.82x = 18,080.97 × 9,277.92
  4. Step 4: Simplify right side
    12,071.82x = 167,753,793.18
  5. Step 5: Solve for x
    x = 167,753,793.18/12,071.82
  6. Step 6: Final answer
    x = 13,896.31

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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.