Home / 18,436.06-27,654.11-7,899.24

Finding the Fourth Proportional to 18,436.06, 27,654.11 and 7,899.24

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Solution

The fourth proportional to 18,436.06, 27,654.11 and 7,899.24 is: 11,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.06 : 27,654.11 = 7,899.24 : x
  2. Step 2: Convert to fraction form
    18,436.06/27,654.11 = 7,899.24/x
  3. Step 3: Cross multiply
    18,436.06x = 27,654.11 × 7,899.24
  4. Step 4: Simplify right side
    18,436.06x = 218,446,567.92
  5. Step 5: Solve for x
    x = 218,446,567.92/18,436.06
  6. Step 6: Final answer
    x = 11,848.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.