Home / 8,101.55-12,152.32-6,255.36

Finding the Fourth Proportional to 8,101.55, 12,152.32 and 6,255.36

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Solution

The fourth proportional to 8,101.55, 12,152.32 and 6,255.36 is: 9,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.55 : 12,152.32 = 6,255.36 : x
  2. Step 2: Convert to fraction form
    8,101.55/12,152.32 = 6,255.36/x
  3. Step 3: Cross multiply
    8,101.55x = 12,152.32 × 6,255.36
  4. Step 4: Simplify right side
    8,101.55x = 76,017,136.44
  5. Step 5: Solve for x
    x = 76,017,136.44/8,101.55
  6. Step 6: Final answer
    x = 9,383.04

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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.