Home / 21,847.18-32,768.94-11,305.84

Finding the Fourth Proportional to 21,847.18, 32,768.94 and 11,305.84

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Solution

The fourth proportional to 21,847.18, 32,768.94 and 11,305.84 is: 16,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.18 : 32,768.94 = 11,305.84 : x
  2. Step 2: Convert to fraction form
    21,847.18/32,768.94 = 11,305.84/x
  3. Step 3: Cross multiply
    21,847.18x = 32,768.94 × 11,305.84
  4. Step 4: Simplify right side
    21,847.18x = 370,480,392.61
  5. Step 5: Solve for x
    x = 370,480,392.61/21,847.18
  6. Step 6: Final answer
    x = 16,957.81

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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.