Home / 13,895.04-20,801.52-8,949.90

Finding the Fourth Proportional to 13,895.04, 20,801.52 and 8,949.90

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Solution

The fourth proportional to 13,895.04, 20,801.52 and 8,949.90 is: 13,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.04 : 20,801.52 = 8,949.90 : x
  2. Step 2: Convert to fraction form
    13,895.04/20,801.52 = 8,949.90/x
  3. Step 3: Cross multiply
    13,895.04x = 20,801.52 × 8,949.90
  4. Step 4: Simplify right side
    13,895.04x = 186,171,523.85
  5. Step 5: Solve for x
    x = 186,171,523.85/13,895.04
  6. Step 6: Final answer
    x = 13,398.42

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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.