Home / 19,773.54-27,284.85-11,388.42

Finding the Fourth Proportional to 19,773.54, 27,284.85 and 11,388.42

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Solution

The fourth proportional to 19,773.54, 27,284.85 and 11,388.42 is: 15,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.54 : 27,284.85 = 11,388.42 : x
  2. Step 2: Convert to fraction form
    19,773.54/27,284.85 = 11,388.42/x
  3. Step 3: Cross multiply
    19,773.54x = 27,284.85 × 11,388.42
  4. Step 4: Simplify right side
    19,773.54x = 310,731,331.44
  5. Step 5: Solve for x
    x = 310,731,331.44/19,773.54
  6. Step 6: Final answer
    x = 15,714.50

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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.