Home / 12,552.11-18,791.18-10,995.15

Finding the Fourth Proportional to 12,552.11, 18,791.18 and 10,995.15

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Solution

The fourth proportional to 12,552.11, 18,791.18 and 10,995.15 is: 16,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.11 : 18,791.18 = 10,995.15 : x
  2. Step 2: Convert to fraction form
    12,552.11/18,791.18 = 10,995.15/x
  3. Step 3: Cross multiply
    12,552.11x = 18,791.18 × 10,995.15
  4. Step 4: Simplify right side
    12,552.11x = 206,611,787.80
  5. Step 5: Solve for x
    x = 206,611,787.80/12,552.11
  6. Step 6: Final answer
    x = 16,460.33

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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.