Home / 8,273.12-12,409.58-6,809.18

Finding the Fourth Proportional to 8,273.12, 12,409.58 and 6,809.18

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Solution

The fourth proportional to 8,273.12, 12,409.58 and 6,809.18 is: 10,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.12 : 12,409.58 = 6,809.18 : x
  2. Step 2: Convert to fraction form
    8,273.12/12,409.58 = 6,809.18/x
  3. Step 3: Cross multiply
    8,273.12x = 12,409.58 × 6,809.18
  4. Step 4: Simplify right side
    8,273.12x = 84,499,018.92
  5. Step 5: Solve for x
    x = 84,499,018.92/8,273.12
  6. Step 6: Final answer
    x = 10,213.69

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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.