Home / 18,654.90-27,982.59-5,507.46

Finding the Fourth Proportional to 18,654.90, 27,982.59 and 5,507.46

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Solution

The fourth proportional to 18,654.90, 27,982.59 and 5,507.46 is: 8,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.90 : 27,982.59 = 5,507.46 : x
  2. Step 2: Convert to fraction form
    18,654.90/27,982.59 = 5,507.46/x
  3. Step 3: Cross multiply
    18,654.90x = 27,982.59 × 5,507.46
  4. Step 4: Simplify right side
    18,654.90x = 154,112,995.12
  5. Step 5: Solve for x
    x = 154,112,995.12/18,654.90
  6. Step 6: Final answer
    x = 8,261.26

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Similar ratio
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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.