Home / 13,884.38-20,828.73-4,522.19

Finding the Fourth Proportional to 13,884.38, 20,828.73 and 4,522.19

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Solution

The fourth proportional to 13,884.38, 20,828.73 and 4,522.19 is: 6,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.38 : 20,828.73 = 4,522.19 : x
  2. Step 2: Convert to fraction form
    13,884.38/20,828.73 = 4,522.19/x
  3. Step 3: Cross multiply
    13,884.38x = 20,828.73 × 4,522.19
  4. Step 4: Simplify right side
    13,884.38x = 94,191,370.38
  5. Step 5: Solve for x
    x = 94,191,370.38/13,884.38
  6. Step 6: Final answer
    x = 6,783.98

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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.