Home / 20,089.73-27,722.52-11,136.93

Finding the Fourth Proportional to 20,089.73, 27,722.52 and 11,136.93

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Solution

The fourth proportional to 20,089.73, 27,722.52 and 11,136.93 is: 15,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.73 : 27,722.52 = 11,136.93 : x
  2. Step 2: Convert to fraction form
    20,089.73/27,722.52 = 11,136.93/x
  3. Step 3: Cross multiply
    20,089.73x = 27,722.52 × 11,136.93
  4. Step 4: Simplify right side
    20,089.73x = 308,743,764.66
  5. Step 5: Solve for x
    x = 308,743,764.66/20,089.73
  6. Step 6: Final answer
    x = 15,368.24

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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.