Home / 8,268.30-12,402.45-6,883.20

Finding the Fourth Proportional to 8,268.30, 12,402.45 and 6,883.20

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Solution

The fourth proportional to 8,268.30, 12,402.45 and 6,883.20 is: 10,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.30 : 12,402.45 = 6,883.20 : x
  2. Step 2: Convert to fraction form
    8,268.30/12,402.45 = 6,883.20/x
  3. Step 3: Cross multiply
    8,268.30x = 12,402.45 × 6,883.20
  4. Step 4: Simplify right side
    8,268.30x = 85,368,543.84
  5. Step 5: Solve for x
    x = 85,368,543.84/8,268.30
  6. Step 6: Final answer
    x = 10,324.80

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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.