Home / 10,928.20-16,392.30-7,234.60

Finding the Fourth Proportional to 10,928.20, 16,392.30 and 7,234.60

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Solution

The fourth proportional to 10,928.20, 16,392.30 and 7,234.60 is: 10,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.20 : 16,392.30 = 7,234.60 : x
  2. Step 2: Convert to fraction form
    10,928.20/16,392.30 = 7,234.60/x
  3. Step 3: Cross multiply
    10,928.20x = 16,392.30 × 7,234.60
  4. Step 4: Simplify right side
    10,928.20x = 118,591,733.58
  5. Step 5: Solve for x
    x = 118,591,733.58/10,928.20
  6. Step 6: Final answer
    x = 10,851.90

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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.