Home / 11,023.68-16,513.52-6,638.80

Finding the Fourth Proportional to 11,023.68, 16,513.52 and 6,638.80

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Solution

The fourth proportional to 11,023.68, 16,513.52 and 6,638.80 is: 9,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.68 : 16,513.52 = 6,638.80 : x
  2. Step 2: Convert to fraction form
    11,023.68/16,513.52 = 6,638.80/x
  3. Step 3: Cross multiply
    11,023.68x = 16,513.52 × 6,638.80
  4. Step 4: Simplify right side
    11,023.68x = 109,629,956.58
  5. Step 5: Solve for x
    x = 109,629,956.58/11,023.68
  6. Step 6: Final answer
    x = 9,944.95

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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.