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Finding the Fourth Proportional to 12,245.00, 16,899.52 and 6,868.92

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Solution

The fourth proportional to 12,245.00, 16,899.52 and 6,868.92 is: 9,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.00 : 16,899.52 = 6,868.92 : x
  2. Step 2: Convert to fraction form
    12,245.00/16,899.52 = 6,868.92/x
  3. Step 3: Cross multiply
    12,245.00x = 16,899.52 × 6,868.92
  4. Step 4: Simplify right side
    12,245.00x = 116,081,433.75
  5. Step 5: Solve for x
    x = 116,081,433.75/12,245.00
  6. Step 6: Final answer
    x = 9,479.90

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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.