Home / 18,016.56-27,006.40-10,208.88

Finding the Fourth Proportional to 18,016.56, 27,006.40 and 10,208.88

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Solution

The fourth proportional to 18,016.56, 27,006.40 and 10,208.88 is: 15,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.56 : 27,006.40 = 10,208.88 : x
  2. Step 2: Convert to fraction form
    18,016.56/27,006.40 = 10,208.88/x
  3. Step 3: Cross multiply
    18,016.56x = 27,006.40 × 10,208.88
  4. Step 4: Simplify right side
    18,016.56x = 275,705,096.83
  5. Step 5: Solve for x
    x = 275,705,096.83/18,016.56
  6. Step 6: Final answer
    x = 15,302.87

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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.