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Finding the Fourth Proportional to 12,604.54, 17,391.63 and 7,299.04

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Solution

The fourth proportional to 12,604.54, 17,391.63 and 7,299.04 is: 10,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.54 : 17,391.63 = 7,299.04 : x
  2. Step 2: Convert to fraction form
    12,604.54/17,391.63 = 7,299.04/x
  3. Step 3: Cross multiply
    12,604.54x = 17,391.63 × 7,299.04
  4. Step 4: Simplify right side
    12,604.54x = 126,942,203.04
  5. Step 5: Solve for x
    x = 126,942,203.04/12,604.54
  6. Step 6: Final answer
    x = 10,071.15

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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.