Home / 12,944.59-19,400.67-5,540.38

Finding the Fourth Proportional to 12,944.59, 19,400.67 and 5,540.38

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Solution

The fourth proportional to 12,944.59, 19,400.67 and 5,540.38 is: 8,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.59 : 19,400.67 = 5,540.38 : x
  2. Step 2: Convert to fraction form
    12,944.59/19,400.67 = 5,540.38/x
  3. Step 3: Cross multiply
    12,944.59x = 19,400.67 × 5,540.38
  4. Step 4: Simplify right side
    12,944.59x = 107,487,084.05
  5. Step 5: Solve for x
    x = 107,487,084.05/12,944.59
  6. Step 6: Final answer
    x = 8,303.63

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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.