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Finding the Fourth Proportional to 12,650.16, 17,456.94 and 7,344.84

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Solution

The fourth proportional to 12,650.16, 17,456.94 and 7,344.84 is: 10,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.16 : 17,456.94 = 7,344.84 : x
  2. Step 2: Convert to fraction form
    12,650.16/17,456.94 = 7,344.84/x
  3. Step 3: Cross multiply
    12,650.16x = 17,456.94 × 7,344.84
  4. Step 4: Simplify right side
    12,650.16x = 128,218,431.19
  5. Step 5: Solve for x
    x = 128,218,431.19/12,650.16
  6. Step 6: Final answer
    x = 10,135.72

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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.