Home / 10,733.20-16,099.80-8,141.20

Finding the Fourth Proportional to 10,733.20, 16,099.80 and 8,141.20

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Solution

The fourth proportional to 10,733.20, 16,099.80 and 8,141.20 is: 12,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,733.20 : 16,099.80 = 8,141.20 : x
  2. Step 2: Convert to fraction form
    10,733.20/16,099.80 = 8,141.20/x
  3. Step 3: Cross multiply
    10,733.20x = 16,099.80 × 8,141.20
  4. Step 4: Simplify right side
    10,733.20x = 131,071,691.76
  5. Step 5: Solve for x
    x = 131,071,691.76/10,733.20
  6. Step 6: Final answer
    x = 12,211.80

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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.