Home / 20,229.24-30,348.30-6,189.36

Finding the Fourth Proportional to 20,229.24, 30,348.30 and 6,189.36

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Solution

The fourth proportional to 20,229.24, 30,348.30 and 6,189.36 is: 9,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.24 : 30,348.30 = 6,189.36 : x
  2. Step 2: Convert to fraction form
    20,229.24/30,348.30 = 6,189.36/x
  3. Step 3: Cross multiply
    20,229.24x = 30,348.30 × 6,189.36
  4. Step 4: Simplify right side
    20,229.24x = 187,836,554.09
  5. Step 5: Solve for x
    x = 187,836,554.09/20,229.24
  6. Step 6: Final answer
    x = 9,285.40

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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.