Home / 20,013.99-27,619.82-11,061.60

Finding the Fourth Proportional to 20,013.99, 27,619.82 and 11,061.60

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Solution

The fourth proportional to 20,013.99, 27,619.82 and 11,061.60 is: 15,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.99 : 27,619.82 = 11,061.60 : x
  2. Step 2: Convert to fraction form
    20,013.99/27,619.82 = 11,061.60/x
  3. Step 3: Cross multiply
    20,013.99x = 27,619.82 × 11,061.60
  4. Step 4: Simplify right side
    20,013.99x = 305,519,207.50
  5. Step 5: Solve for x
    x = 305,519,207.50/20,013.99
  6. Step 6: Final answer
    x = 15,265.29

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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.