Home / 12,044.20-16,620.50-6,738.04

Finding the Fourth Proportional to 12,044.20, 16,620.50 and 6,738.04

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Solution

The fourth proportional to 12,044.20, 16,620.50 and 6,738.04 is: 9,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.20 : 16,620.50 = 6,738.04 : x
  2. Step 2: Convert to fraction form
    12,044.20/16,620.50 = 6,738.04/x
  3. Step 3: Cross multiply
    12,044.20x = 16,620.50 × 6,738.04
  4. Step 4: Simplify right side
    12,044.20x = 111,989,593.82
  5. Step 5: Solve for x
    x = 111,989,593.82/12,044.20
  6. Step 6: Final answer
    x = 9,298.22

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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.