Home / 20,446.12-30,664.30-5,654.72

Finding the Fourth Proportional to 20,446.12, 30,664.30 and 5,654.72

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Solution

The fourth proportional to 20,446.12, 30,664.30 and 5,654.72 is: 8,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.12 : 30,664.30 = 5,654.72 : x
  2. Step 2: Convert to fraction form
    20,446.12/30,664.30 = 5,654.72/x
  3. Step 3: Cross multiply
    20,446.12x = 30,664.30 × 5,654.72
  4. Step 4: Simplify right side
    20,446.12x = 173,398,030.50
  5. Step 5: Solve for x
    x = 173,398,030.50/20,446.12
  6. Step 6: Final answer
    x = 8,480.73

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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.