Home / 8,193.15-12,288.38-3,513.92

Finding the Fourth Proportional to 8,193.15, 12,288.38 and 3,513.92

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Solution

The fourth proportional to 8,193.15, 12,288.38 and 3,513.92 is: 5,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.15 : 12,288.38 = 3,513.92 : x
  2. Step 2: Convert to fraction form
    8,193.15/12,288.38 = 3,513.92/x
  3. Step 3: Cross multiply
    8,193.15x = 12,288.38 × 3,513.92
  4. Step 4: Simplify right side
    8,193.15x = 43,180,305.24
  5. Step 5: Solve for x
    x = 43,180,305.24/8,193.15
  6. Step 6: Final answer
    x = 5,270.29

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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.