Home / 8,103.55-12,155.32-6,257.36

Finding the Fourth Proportional to 8,103.55, 12,155.32 and 6,257.36

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Solution

The fourth proportional to 8,103.55, 12,155.32 and 6,257.36 is: 9,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.55 : 12,155.32 = 6,257.36 : x
  2. Step 2: Convert to fraction form
    8,103.55/12,155.32 = 6,257.36/x
  3. Step 3: Cross multiply
    8,103.55x = 12,155.32 × 6,257.36
  4. Step 4: Simplify right side
    8,103.55x = 76,060,213.16
  5. Step 5: Solve for x
    x = 76,060,213.16/8,103.55
  6. Step 6: Final answer
    x = 9,386.04

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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.