Home / 8,542.06-12,817.96-6,821.62

Finding the Fourth Proportional to 8,542.06, 12,817.96 and 6,821.62

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Solution

The fourth proportional to 8,542.06, 12,817.96 and 6,821.62 is: 10,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.06 : 12,817.96 = 6,821.62 : x
  2. Step 2: Convert to fraction form
    8,542.06/12,817.96 = 6,821.62/x
  3. Step 3: Cross multiply
    8,542.06x = 12,817.96 × 6,821.62
  4. Step 4: Simplify right side
    8,542.06x = 87,439,252.30
  5. Step 5: Solve for x
    x = 87,439,252.30/8,542.06
  6. Step 6: Final answer
    x = 10,236.32

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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.