Home / 8,171.90-12,255.17-2,623.93

Finding the Fourth Proportional to 8,171.90, 12,255.17 and 2,623.93

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Solution

The fourth proportional to 8,171.90, 12,255.17 and 2,623.93 is: 3,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.90 : 12,255.17 = 2,623.93 : x
  2. Step 2: Convert to fraction form
    8,171.90/12,255.17 = 2,623.93/x
  3. Step 3: Cross multiply
    8,171.90x = 12,255.17 × 2,623.93
  4. Step 4: Simplify right side
    8,171.90x = 32,156,664.46
  5. Step 5: Solve for x
    x = 32,156,664.46/8,171.90
  6. Step 6: Final answer
    x = 3,935.03

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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.