Home / 20,818.30-31,229.08-6,027.44

Finding the Fourth Proportional to 20,818.30, 31,229.08 and 6,027.44

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Solution

The fourth proportional to 20,818.30, 31,229.08 and 6,027.44 is: 9,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818.30 : 31,229.08 = 6,027.44 : x
  2. Step 2: Convert to fraction form
    20,818.30/31,229.08 = 6,027.44/x
  3. Step 3: Cross multiply
    20,818.30x = 31,229.08 × 6,027.44
  4. Step 4: Simplify right side
    20,818.30x = 188,231,405.96
  5. Step 5: Solve for x
    x = 188,231,405.96/20,818.30
  6. Step 6: Final answer
    x = 9,041.63

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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.