Home / 12,229.20-18,343.80-4,434.84

Finding the Fourth Proportional to 12,229.20, 18,343.80 and 4,434.84

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Solution

The fourth proportional to 12,229.20, 18,343.80 and 4,434.84 is: 6,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.20 : 18,343.80 = 4,434.84 : x
  2. Step 2: Convert to fraction form
    12,229.20/18,343.80 = 4,434.84/x
  3. Step 3: Cross multiply
    12,229.20x = 18,343.80 × 4,434.84
  4. Step 4: Simplify right side
    12,229.20x = 81,351,817.99
  5. Step 5: Solve for x
    x = 81,351,817.99/12,229.20
  6. Step 6: Final answer
    x = 6,652.26

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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.