Home / 8,165.13-12,249.23-4,659.09

Finding the Fourth Proportional to 8,165.13, 12,249.23 and 4,659.09

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Solution

The fourth proportional to 8,165.13, 12,249.23 and 4,659.09 is: 6,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.13 : 12,249.23 = 4,659.09 : x
  2. Step 2: Convert to fraction form
    8,165.13/12,249.23 = 4,659.09/x
  3. Step 3: Cross multiply
    8,165.13x = 12,249.23 × 4,659.09
  4. Step 4: Simplify right side
    8,165.13x = 57,070,265.00
  5. Step 5: Solve for x
    x = 57,070,265.00/8,165.13
  6. Step 6: Final answer
    x = 6,989.51

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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.