Home / 19,654.44-27,132.84-13,399.64

Finding the Fourth Proportional to 19,654.44, 27,132.84 and 13,399.64

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Solution

The fourth proportional to 19,654.44, 27,132.84 and 13,399.64 is: 18,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.44 : 27,132.84 = 13,399.64 : x
  2. Step 2: Convert to fraction form
    19,654.44/27,132.84 = 13,399.64/x
  3. Step 3: Cross multiply
    19,654.44x = 27,132.84 × 13,399.64
  4. Step 4: Simplify right side
    19,654.44x = 363,570,288.18
  5. Step 5: Solve for x
    x = 363,570,288.18/19,654.44
  6. Step 6: Final answer
    x = 18,498.13

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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.