Home / 13,932.87-20,898.76-3,544.89

Finding the Fourth Proportional to 13,932.87, 20,898.76 and 3,544.89

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Solution

The fourth proportional to 13,932.87, 20,898.76 and 3,544.89 is: 5,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.87 : 20,898.76 = 3,544.89 : x
  2. Step 2: Convert to fraction form
    13,932.87/20,898.76 = 3,544.89/x
  3. Step 3: Cross multiply
    13,932.87x = 20,898.76 × 3,544.89
  4. Step 4: Simplify right side
    13,932.87x = 74,083,805.34
  5. Step 5: Solve for x
    x = 74,083,805.34/13,932.87
  6. Step 6: Final answer
    x = 5,317.20

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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.