Home / 12,087.67-18,114.22-6,882.79

Finding the Fourth Proportional to 12,087.67, 18,114.22 and 6,882.79

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Solution

The fourth proportional to 12,087.67, 18,114.22 and 6,882.79 is: 10,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.67 : 18,114.22 = 6,882.79 : x
  2. Step 2: Convert to fraction form
    12,087.67/18,114.22 = 6,882.79/x
  3. Step 3: Cross multiply
    12,087.67x = 18,114.22 × 6,882.79
  4. Step 4: Simplify right side
    12,087.67x = 124,676,372.27
  5. Step 5: Solve for x
    x = 124,676,372.27/12,087.67
  6. Step 6: Final answer
    x = 10,314.34

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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.