Home / 13,284.49-19,930.01-3,924.46

Finding the Fourth Proportional to 13,284.49, 19,930.01 and 3,924.46

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Solution

The fourth proportional to 13,284.49, 19,930.01 and 3,924.46 is: 5,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.49 : 19,930.01 = 3,924.46 : x
  2. Step 2: Convert to fraction form
    13,284.49/19,930.01 = 3,924.46/x
  3. Step 3: Cross multiply
    13,284.49x = 19,930.01 × 3,924.46
  4. Step 4: Simplify right side
    13,284.49x = 78,214,527.04
  5. Step 5: Solve for x
    x = 78,214,527.04/13,284.49
  6. Step 6: Final answer
    x = 5,887.66

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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.