Home / 10,687.43-16,032.89-3,291.89

Finding the Fourth Proportional to 10,687.43, 16,032.89 and 3,291.89

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Solution

The fourth proportional to 10,687.43, 16,032.89 and 3,291.89 is: 4,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.43 : 16,032.89 = 3,291.89 : x
  2. Step 2: Convert to fraction form
    10,687.43/16,032.89 = 3,291.89/x
  3. Step 3: Cross multiply
    10,687.43x = 16,032.89 × 3,291.89
  4. Step 4: Simplify right side
    10,687.43x = 52,778,438.33
  5. Step 5: Solve for x
    x = 52,778,438.33/10,687.43
  6. Step 6: Final answer
    x = 4,938.37

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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.