Home / 18,102.80-24,982.36-10,144.56

Finding the Fourth Proportional to 18,102.80, 24,982.36 and 10,144.56

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Solution

The fourth proportional to 18,102.80, 24,982.36 and 10,144.56 is: 13,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.80 : 24,982.36 = 10,144.56 : x
  2. Step 2: Convert to fraction form
    18,102.80/24,982.36 = 10,144.56/x
  3. Step 3: Cross multiply
    18,102.80x = 24,982.36 × 10,144.56
  4. Step 4: Simplify right side
    18,102.80x = 253,435,049.96
  5. Step 5: Solve for x
    x = 253,435,049.96/18,102.80
  6. Step 6: Final answer
    x = 13,999.77

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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.