Home / 12,205.62-16,844.10-6,900.30

Finding the Fourth Proportional to 12,205.62, 16,844.10 and 6,900.30

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Solution

The fourth proportional to 12,205.62, 16,844.10 and 6,900.30 is: 9,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.62 : 16,844.10 = 6,900.30 : x
  2. Step 2: Convert to fraction form
    12,205.62/16,844.10 = 6,900.30/x
  3. Step 3: Cross multiply
    12,205.62x = 16,844.10 × 6,900.30
  4. Step 4: Simplify right side
    12,205.62x = 116,229,343.23
  5. Step 5: Solve for x
    x = 116,229,343.23/12,205.62
  6. Step 6: Final answer
    x = 9,522.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.