Home / 10,743.03-16,099.81-8,108.30

Finding the Fourth Proportional to 10,743.03, 16,099.81 and 8,108.30

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Solution

The fourth proportional to 10,743.03, 16,099.81 and 8,108.30 is: 12,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.03 : 16,099.81 = 8,108.30 : x
  2. Step 2: Convert to fraction form
    10,743.03/16,099.81 = 8,108.30/x
  3. Step 3: Cross multiply
    10,743.03x = 16,099.81 × 8,108.30
  4. Step 4: Simplify right side
    10,743.03x = 130,542,155.01
  5. Step 5: Solve for x
    x = 130,542,155.01/10,743.03
  6. Step 6: Final answer
    x = 12,151.33

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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.