Home / 12,045.88-18,079.62-10,083.79

Finding the Fourth Proportional to 12,045.88, 18,079.62 and 10,083.79

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Solution

The fourth proportional to 12,045.88, 18,079.62 and 10,083.79 is: 15,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.88 : 18,079.62 = 10,083.79 : x
  2. Step 2: Convert to fraction form
    12,045.88/18,079.62 = 10,083.79/x
  3. Step 3: Cross multiply
    12,045.88x = 18,079.62 × 10,083.79
  4. Step 4: Simplify right side
    12,045.88x = 182,311,091.36
  5. Step 5: Solve for x
    x = 182,311,091.36/12,045.88
  6. Step 6: Final answer
    x = 15,134.73

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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.