Home / 10,817.92-16,227.02-4,247.20

Finding the Fourth Proportional to 10,817.92, 16,227.02 and 4,247.20

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Solution

The fourth proportional to 10,817.92, 16,227.02 and 4,247.20 is: 6,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.92 : 16,227.02 = 4,247.20 : x
  2. Step 2: Convert to fraction form
    10,817.92/16,227.02 = 4,247.20/x
  3. Step 3: Cross multiply
    10,817.92x = 16,227.02 × 4,247.20
  4. Step 4: Simplify right side
    10,817.92x = 68,919,399.34
  5. Step 5: Solve for x
    x = 68,919,399.34/10,817.92
  6. Step 6: Final answer
    x = 6,370.85

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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.