Home / 13,810.26-20,716.15-4,449.60

Finding the Fourth Proportional to 13,810.26, 20,716.15 and 4,449.60

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Solution

The fourth proportional to 13,810.26, 20,716.15 and 4,449.60 is: 6,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.26 : 20,716.15 = 4,449.60 : x
  2. Step 2: Convert to fraction form
    13,810.26/20,716.15 = 4,449.60/x
  3. Step 3: Cross multiply
    13,810.26x = 20,716.15 × 4,449.60
  4. Step 4: Simplify right side
    13,810.26x = 92,178,581.04
  5. Step 5: Solve for x
    x = 92,178,581.04/13,810.26
  6. Step 6: Final answer
    x = 6,674.64

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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.