Home / 12,065.27-16,650.75-6,761.79

Finding the Fourth Proportional to 12,065.27, 16,650.75 and 6,761.79

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Solution

The fourth proportional to 12,065.27, 16,650.75 and 6,761.79 is: 9,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.27 : 16,650.75 = 6,761.79 : x
  2. Step 2: Convert to fraction form
    12,065.27/16,650.75 = 6,761.79/x
  3. Step 3: Cross multiply
    12,065.27x = 16,650.75 × 6,761.79
  4. Step 4: Simplify right side
    12,065.27x = 112,588,874.84
  5. Step 5: Solve for x
    x = 112,588,874.84/12,065.27
  6. Step 6: Final answer
    x = 9,331.65

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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.