Home / 8,990.83-13,493.30-6,236.88

Finding the Fourth Proportional to 8,990.83, 13,493.30 and 6,236.88

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Solution

The fourth proportional to 8,990.83, 13,493.30 and 6,236.88 is: 9,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.83 : 13,493.30 = 6,236.88 : x
  2. Step 2: Convert to fraction form
    8,990.83/13,493.30 = 6,236.88/x
  3. Step 3: Cross multiply
    8,990.83x = 13,493.30 × 6,236.88
  4. Step 4: Simplify right side
    8,990.83x = 84,156,046.20
  5. Step 5: Solve for x
    x = 84,156,046.20/8,990.83
  6. Step 6: Final answer
    x = 9,360.21

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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.