Home / 8,025.96-12,021.30-6,623.40

Finding the Fourth Proportional to 8,025.96, 12,021.30 and 6,623.40

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Solution

The fourth proportional to 8,025.96, 12,021.30 and 6,623.40 is: 9,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.96 : 12,021.30 = 6,623.40 : x
  2. Step 2: Convert to fraction form
    8,025.96/12,021.30 = 6,623.40/x
  3. Step 3: Cross multiply
    8,025.96x = 12,021.30 × 6,623.40
  4. Step 4: Simplify right side
    8,025.96x = 79,621,878.42
  5. Step 5: Solve for x
    x = 79,621,878.42/8,025.96
  6. Step 6: Final answer
    x = 9,920.54

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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.