Home / 12,145.92-16,761.21-6,841.26

Finding the Fourth Proportional to 12,145.92, 16,761.21 and 6,841.26

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Solution

The fourth proportional to 12,145.92, 16,761.21 and 6,841.26 is: 9,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145.92 : 16,761.21 = 6,841.26 : x
  2. Step 2: Convert to fraction form
    12,145.92/16,761.21 = 6,841.26/x
  3. Step 3: Cross multiply
    12,145.92x = 16,761.21 × 6,841.26
  4. Step 4: Simplify right side
    12,145.92x = 114,667,795.52
  5. Step 5: Solve for x
    x = 114,667,795.52/12,145.92
  6. Step 6: Final answer
    x = 9,440.85

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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.