Home / 12,202.20-16,840.08-6,897.96

Finding the Fourth Proportional to 12,202.20, 16,840.08 and 6,897.96

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Solution

The fourth proportional to 12,202.20, 16,840.08 and 6,897.96 is: 9,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.20 : 16,840.08 = 6,897.96 : x
  2. Step 2: Convert to fraction form
    12,202.20/16,840.08 = 6,897.96/x
  3. Step 3: Cross multiply
    12,202.20x = 16,840.08 × 6,897.96
  4. Step 4: Simplify right side
    12,202.20x = 116,162,198.24
  5. Step 5: Solve for x
    x = 116,162,198.24/12,202.20
  6. Step 6: Final answer
    x = 9,519.77

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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.