Home / 13,709.04-20,504.97-11,443.80

Finding the Fourth Proportional to 13,709.04, 20,504.97 and 11,443.80

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Solution

The fourth proportional to 13,709.04, 20,504.97 and 11,443.80 is: 17,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.04 : 20,504.97 = 11,443.80 : x
  2. Step 2: Convert to fraction form
    13,709.04/20,504.97 = 11,443.80/x
  3. Step 3: Cross multiply
    13,709.04x = 20,504.97 × 11,443.80
  4. Step 4: Simplify right side
    13,709.04x = 234,654,775.69
  5. Step 5: Solve for x
    x = 234,654,775.69/13,709.04
  6. Step 6: Final answer
    x = 17,116.79

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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.