Home / 20,441.50-30,664.25-7,962.55

Finding the Fourth Proportional to 20,441.50, 30,664.25 and 7,962.55

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Solution

The fourth proportional to 20,441.50, 30,664.25 and 7,962.55 is: 11,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.50 : 30,664.25 = 7,962.55 : x
  2. Step 2: Convert to fraction form
    20,441.50/30,664.25 = 7,962.55/x
  3. Step 3: Cross multiply
    20,441.50x = 30,664.25 × 7,962.55
  4. Step 4: Simplify right side
    20,441.50x = 244,165,623.84
  5. Step 5: Solve for x
    x = 244,165,623.84/20,441.50
  6. Step 6: Final answer
    x = 11,944.60

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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.