Home / 20,002.38-30,003.60-14,811.90

Finding the Fourth Proportional to 20,002.38, 30,003.60 and 14,811.90

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Solution

The fourth proportional to 20,002.38, 30,003.60 and 14,811.90 is: 22,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.38 : 30,003.60 = 14,811.90 : x
  2. Step 2: Convert to fraction form
    20,002.38/30,003.60 = 14,811.90/x
  3. Step 3: Cross multiply
    20,002.38x = 30,003.60 × 14,811.90
  4. Step 4: Simplify right side
    20,002.38x = 444,410,322.84
  5. Step 5: Solve for x
    x = 444,410,322.84/20,002.38
  6. Step 6: Final answer
    x = 22,217.87

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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.