Home / 12,944.79-19,416.12-3,584.94

Finding the Fourth Proportional to 12,944.79, 19,416.12 and 3,584.94

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Solution

The fourth proportional to 12,944.79, 19,416.12 and 3,584.94 is: 5,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.79 : 19,416.12 = 3,584.94 : x
  2. Step 2: Convert to fraction form
    12,944.79/19,416.12 = 3,584.94/x
  3. Step 3: Cross multiply
    12,944.79x = 19,416.12 × 3,584.94
  4. Step 4: Simplify right side
    12,944.79x = 69,605,625.23
  5. Step 5: Solve for x
    x = 69,605,625.23/12,944.79
  6. Step 6: Final answer
    x = 5,377.12

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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.