Home / 20,180.73-27,848.70-11,105.24

Finding the Fourth Proportional to 20,180.73, 27,848.70 and 11,105.24

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Solution

The fourth proportional to 20,180.73, 27,848.70 and 11,105.24 is: 15,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.73 : 27,848.70 = 11,105.24 : x
  2. Step 2: Convert to fraction form
    20,180.73/27,848.70 = 11,105.24/x
  3. Step 3: Cross multiply
    20,180.73x = 27,848.70 × 11,105.24
  4. Step 4: Simplify right side
    20,180.73x = 309,266,497.19
  5. Step 5: Solve for x
    x = 309,266,497.19/20,180.73
  6. Step 6: Final answer
    x = 15,324.84

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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.