Home / 20,818.86-31,228.24-6,027.76

Finding the Fourth Proportional to 20,818.86, 31,228.24 and 6,027.76

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Solution

The fourth proportional to 20,818.86, 31,228.24 and 6,027.76 is: 9,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,818.86 : 31,228.24 = 6,027.76 : x
  2. Step 2: Convert to fraction form
    20,818.86/31,228.24 = 6,027.76/x
  3. Step 3: Cross multiply
    20,818.86x = 31,228.24 × 6,027.76
  4. Step 4: Simplify right side
    20,818.86x = 188,236,335.94
  5. Step 5: Solve for x
    x = 188,236,335.94/20,818.86
  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.