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Finding the Fourth Proportional to 12,044.67, 16,622.46 and 6,739.98

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Solution

The fourth proportional to 12,044.67, 16,622.46 and 6,739.98 is: 9,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.67 : 16,622.46 = 6,739.98 : x
  2. Step 2: Convert to fraction form
    12,044.67/16,622.46 = 6,739.98/x
  3. Step 3: Cross multiply
    12,044.67x = 16,622.46 × 6,739.98
  4. Step 4: Simplify right side
    12,044.67x = 112,035,047.95
  5. Step 5: Solve for x
    x = 112,035,047.95/12,044.67
  6. Step 6: Final answer
    x = 9,301.63

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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.