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Finding the Fourth Proportional to 12,343.64, 17,016.51 and 8,800.70

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Solution

The fourth proportional to 12,343.64, 17,016.51 and 8,800.70 is: 12,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.64 : 17,016.51 = 8,800.70 : x
  2. Step 2: Convert to fraction form
    12,343.64/17,016.51 = 8,800.70/x
  3. Step 3: Cross multiply
    12,343.64x = 17,016.51 × 8,800.70
  4. Step 4: Simplify right side
    12,343.64x = 149,757,199.56
  5. Step 5: Solve for x
    x = 149,757,199.56/12,343.64
  6. Step 6: Final answer
    x = 12,132.34

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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.