Home / 12,212.38-16,852.62-6,835.06

Finding the Fourth Proportional to 12,212.38, 16,852.62 and 6,835.06

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Solution

The fourth proportional to 12,212.38, 16,852.62 and 6,835.06 is: 9,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.38 : 16,852.62 = 6,835.06 : x
  2. Step 2: Convert to fraction form
    12,212.38/16,852.62 = 6,835.06/x
  3. Step 3: Cross multiply
    12,212.38x = 16,852.62 × 6,835.06
  4. Step 4: Simplify right side
    12,212.38x = 115,188,668.86
  5. Step 5: Solve for x
    x = 115,188,668.86/12,212.38
  6. Step 6: Final answer
    x = 9,432.12

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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.