Home / 13,892.78-20,834.82-4,032.74

Finding the Fourth Proportional to 13,892.78, 20,834.82 and 4,032.74

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Solution

The fourth proportional to 13,892.78, 20,834.82 and 4,032.74 is: 6,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.78 : 20,834.82 = 4,032.74 : x
  2. Step 2: Convert to fraction form
    13,892.78/20,834.82 = 4,032.74/x
  3. Step 3: Cross multiply
    13,892.78x = 20,834.82 × 4,032.74
  4. Step 4: Simplify right side
    13,892.78x = 84,021,412.01
  5. Step 5: Solve for x
    x = 84,021,412.01/13,892.78
  6. Step 6: Final answer
    x = 6,047.85

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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.