Home / 19,837.22-27,380.10-13,474.40

Finding the Fourth Proportional to 19,837.22, 27,380.10 and 13,474.40

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Solution

The fourth proportional to 19,837.22, 27,380.10 and 13,474.40 is: 18,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.22 : 27,380.10 = 13,474.40 : x
  2. Step 2: Convert to fraction form
    19,837.22/27,380.10 = 13,474.40/x
  3. Step 3: Cross multiply
    19,837.22x = 27,380.10 × 13,474.40
  4. Step 4: Simplify right side
    19,837.22x = 368,930,419.44
  5. Step 5: Solve for x
    x = 368,930,419.44/19,837.22
  6. Step 6: Final answer
    x = 18,597.89

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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.