Home / 20,114.69-27,759.93-11,162.03

Finding the Fourth Proportional to 20,114.69, 27,759.93 and 11,162.03

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Solution

The fourth proportional to 20,114.69, 27,759.93 and 11,162.03 is: 15,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.69 : 27,759.93 = 11,162.03 : x
  2. Step 2: Convert to fraction form
    20,114.69/27,759.93 = 11,162.03/x
  3. Step 3: Cross multiply
    20,114.69x = 27,759.93 × 11,162.03
  4. Step 4: Simplify right side
    20,114.69x = 309,857,171.46
  5. Step 5: Solve for x
    x = 309,857,171.46/20,114.69
  6. Step 6: Final answer
    x = 15,404.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.