Home / 13,669.67-20,504.51-3,281.42

Finding the Fourth Proportional to 13,669.67, 20,504.51 and 3,281.42

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Solution

The fourth proportional to 13,669.67, 20,504.51 and 3,281.42 is: 4,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.67 : 20,504.51 = 3,281.42 : x
  2. Step 2: Convert to fraction form
    13,669.67/20,504.51 = 3,281.42/x
  3. Step 3: Cross multiply
    13,669.67x = 20,504.51 × 3,281.42
  4. Step 4: Simplify right side
    13,669.67x = 67,283,918.43
  5. Step 5: Solve for x
    x = 67,283,918.43/13,669.67
  6. Step 6: Final answer
    x = 4,922.13

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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.