Home / 20,224.53-27,909.90-11,273.83

Finding the Fourth Proportional to 20,224.53, 27,909.90 and 11,273.83

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Solution

The fourth proportional to 20,224.53, 27,909.90 and 11,273.83 is: 15,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.53 : 27,909.90 = 11,273.83 : x
  2. Step 2: Convert to fraction form
    20,224.53/27,909.90 = 11,273.83/x
  3. Step 3: Cross multiply
    20,224.53x = 27,909.90 × 11,273.83
  4. Step 4: Simplify right side
    20,224.53x = 314,651,398.14
  5. Step 5: Solve for x
    x = 314,651,398.14/20,224.53
  6. Step 6: Final answer
    x = 15,557.91

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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.