Home / 8,169.53-12,254.36-2,622.92

Finding the Fourth Proportional to 8,169.53, 12,254.36 and 2,622.92

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Solution

The fourth proportional to 8,169.53, 12,254.36 and 2,622.92 is: 3,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.53 : 12,254.36 = 2,622.92 : x
  2. Step 2: Convert to fraction form
    8,169.53/12,254.36 = 2,622.92/x
  3. Step 3: Cross multiply
    8,169.53x = 12,254.36 × 2,622.92
  4. Step 4: Simplify right side
    8,169.53x = 32,142,131.54
  5. Step 5: Solve for x
    x = 32,142,131.54/8,169.53
  6. Step 6: Final answer
    x = 3,934.39

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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.