Home / 11,272.53-16,903.92-8,292.96

Finding the Fourth Proportional to 11,272.53, 16,903.92 and 8,292.96

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Solution

The fourth proportional to 11,272.53, 16,903.92 and 8,292.96 is: 12,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.53 : 16,903.92 = 8,292.96 : x
  2. Step 2: Convert to fraction form
    11,272.53/16,903.92 = 8,292.96/x
  3. Step 3: Cross multiply
    11,272.53x = 16,903.92 × 8,292.96
  4. Step 4: Simplify right side
    11,272.53x = 140,183,532.40
  5. Step 5: Solve for x
    x = 140,183,532.40/11,272.53
  6. Step 6: Final answer
    x = 12,435.85

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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.