Home / 13,811.52-20,714.76-4,451.76

Finding the Fourth Proportional to 13,811.52, 20,714.76 and 4,451.76

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Solution

The fourth proportional to 13,811.52, 20,714.76 and 4,451.76 is: 6,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.52 : 20,714.76 = 4,451.76 : x
  2. Step 2: Convert to fraction form
    13,811.52/20,714.76 = 4,451.76/x
  3. Step 3: Cross multiply
    13,811.52x = 20,714.76 × 4,451.76
  4. Step 4: Simplify right side
    13,811.52x = 92,217,139.98
  5. Step 5: Solve for x
    x = 92,217,139.98/13,811.52
  6. Step 6: Final answer
    x = 6,676.83

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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.