Home / 8,132.42-12,171.90-6,173.84

Finding the Fourth Proportional to 8,132.42, 12,171.90 and 6,173.84

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Solution

The fourth proportional to 8,132.42, 12,171.90 and 6,173.84 is: 9,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.42 : 12,171.90 = 6,173.84 : x
  2. Step 2: Convert to fraction form
    8,132.42/12,171.90 = 6,173.84/x
  3. Step 3: Cross multiply
    8,132.42x = 12,171.90 × 6,173.84
  4. Step 4: Simplify right side
    8,132.42x = 75,147,363.10
  5. Step 5: Solve for x
    x = 75,147,363.10/8,132.42
  6. Step 6: Final answer
    x = 9,240.47

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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.