Home / 12,546.84-18,799.49-5,516.31

Finding the Fourth Proportional to 12,546.84, 18,799.49 and 5,516.31

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Solution

The fourth proportional to 12,546.84, 18,799.49 and 5,516.31 is: 8,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.84 : 18,799.49 = 5,516.31 : x
  2. Step 2: Convert to fraction form
    12,546.84/18,799.49 = 5,516.31/x
  3. Step 3: Cross multiply
    12,546.84x = 18,799.49 × 5,516.31
  4. Step 4: Simplify right side
    12,546.84x = 103,703,814.68
  5. Step 5: Solve for x
    x = 103,703,814.68/12,546.84
  6. Step 6: Final answer
    x = 8,265.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.