Home / 20,334.65-28,064.98-11,836.83

Finding the Fourth Proportional to 20,334.65, 28,064.98 and 11,836.83

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Solution

The fourth proportional to 20,334.65, 28,064.98 and 11,836.83 is: 16,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.65 : 28,064.98 = 11,836.83 : x
  2. Step 2: Convert to fraction form
    20,334.65/28,064.98 = 11,836.83/x
  3. Step 3: Cross multiply
    20,334.65x = 28,064.98 × 11,836.83
  4. Step 4: Simplify right side
    20,334.65x = 332,200,517.25
  5. Step 5: Solve for x
    x = 332,200,517.25/20,334.65
  6. Step 6: Final answer
    x = 16,336.68

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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.