Home / 8,099.90-12,151.38-3,169.23

Finding the Fourth Proportional to 8,099.90, 12,151.38 and 3,169.23

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Solution

The fourth proportional to 8,099.90, 12,151.38 and 3,169.23 is: 4,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.90 : 12,151.38 = 3,169.23 : x
  2. Step 2: Convert to fraction form
    8,099.90/12,151.38 = 3,169.23/x
  3. Step 3: Cross multiply
    8,099.90x = 12,151.38 × 3,169.23
  4. Step 4: Simplify right side
    8,099.90x = 38,510,518.04
  5. Step 5: Solve for x
    x = 38,510,518.04/8,099.90
  6. Step 6: Final answer
    x = 4,754.44

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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.