Home / 14,308.34-21,463.97-3,920.09

Finding the Fourth Proportional to 14,308.34, 21,463.97 and 3,920.09

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Solution

The fourth proportional to 14,308.34, 21,463.97 and 3,920.09 is: 5,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.34 : 21,463.97 = 3,920.09 : x
  2. Step 2: Convert to fraction form
    14,308.34/21,463.97 = 3,920.09/x
  3. Step 3: Cross multiply
    14,308.34x = 21,463.97 × 3,920.09
  4. Step 4: Simplify right side
    14,308.34x = 84,140,567.24
  5. Step 5: Solve for x
    x = 84,140,567.24/14,308.34
  6. Step 6: Final answer
    x = 5,880.53

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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.