Home / 13,909.53-20,867.73-4,048.89

Finding the Fourth Proportional to 13,909.53, 20,867.73 and 4,048.89

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Solution

The fourth proportional to 13,909.53, 20,867.73 and 4,048.89 is: 6,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.53 : 20,867.73 = 4,048.89 : x
  2. Step 2: Convert to fraction form
    13,909.53/20,867.73 = 4,048.89/x
  3. Step 3: Cross multiply
    13,909.53x = 20,867.73 × 4,048.89
  4. Step 4: Simplify right side
    13,909.53x = 84,491,143.32
  5. Step 5: Solve for x
    x = 84,491,143.32/13,909.53
  6. Step 6: Final answer
    x = 6,074.33

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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.