Home / 8,132.08-12,189.73-3,966.94

Finding the Fourth Proportional to 8,132.08, 12,189.73 and 3,966.94

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Solution

The fourth proportional to 8,132.08, 12,189.73 and 3,966.94 is: 5,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.08 : 12,189.73 = 3,966.94 : x
  2. Step 2: Convert to fraction form
    8,132.08/12,189.73 = 3,966.94/x
  3. Step 3: Cross multiply
    8,132.08x = 12,189.73 × 3,966.94
  4. Step 4: Simplify right side
    8,132.08x = 48,355,907.69
  5. Step 5: Solve for x
    x = 48,355,907.69/8,132.08
  6. Step 6: Final answer
    x = 5,946.32

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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.