Home / 11,302.80-16,956.90-5,454.60

Finding the Fourth Proportional to 11,302.80, 16,956.90 and 5,454.60

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Solution

The fourth proportional to 11,302.80, 16,956.90 and 5,454.60 is: 8,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.80 : 16,956.90 = 5,454.60 : x
  2. Step 2: Convert to fraction form
    11,302.80/16,956.90 = 5,454.60/x
  3. Step 3: Cross multiply
    11,302.80x = 16,956.90 × 5,454.60
  4. Step 4: Simplify right side
    11,302.80x = 92,493,106.74
  5. Step 5: Solve for x
    x = 92,493,106.74/11,302.80
  6. Step 6: Final answer
    x = 8,183.20

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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.