Home / 18,380.72-27,570.36-4,529.36

Finding the Fourth Proportional to 18,380.72, 27,570.36 and 4,529.36

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Solution

The fourth proportional to 18,380.72, 27,570.36 and 4,529.36 is: 6,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.72 : 27,570.36 = 4,529.36 : x
  2. Step 2: Convert to fraction form
    18,380.72/27,570.36 = 4,529.36/x
  3. Step 3: Cross multiply
    18,380.72x = 27,570.36 × 4,529.36
  4. Step 4: Simplify right side
    18,380.72x = 124,876,085.77
  5. Step 5: Solve for x
    x = 124,876,085.77/18,380.72
  6. Step 6: Final answer
    x = 6,793.86

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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.