Home / 12,005.36-17,997.08-4,209.92

Finding the Fourth Proportional to 12,005.36, 17,997.08 and 4,209.92

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Solution

The fourth proportional to 12,005.36, 17,997.08 and 4,209.92 is: 6,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.36 : 17,997.08 = 4,209.92 : x
  2. Step 2: Convert to fraction form
    12,005.36/17,997.08 = 4,209.92/x
  3. Step 3: Cross multiply
    12,005.36x = 17,997.08 × 4,209.92
  4. Step 4: Simplify right side
    12,005.36x = 75,766,267.03
  5. Step 5: Solve for x
    x = 75,766,267.03/12,005.36
  6. Step 6: Final answer
    x = 6,311.04

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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.