Home / 13,716.04-20,515.46-11,450.80

Finding the Fourth Proportional to 13,716.04, 20,515.46 and 11,450.80

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Solution

The fourth proportional to 13,716.04, 20,515.46 and 11,450.80 is: 17,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.04 : 20,515.46 = 11,450.80 : x
  2. Step 2: Convert to fraction form
    13,716.04/20,515.46 = 11,450.80/x
  3. Step 3: Cross multiply
    13,716.04x = 20,515.46 × 11,450.80
  4. Step 4: Simplify right side
    13,716.04x = 234,918,429.37
  5. Step 5: Solve for x
    x = 234,918,429.37/13,716.04
  6. Step 6: Final answer
    x = 17,127.28

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1.5x scale

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.