Home / 18,108.27-27,165.42-5,625.36

Finding the Fourth Proportional to 18,108.27, 27,165.42 and 5,625.36

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Solution

The fourth proportional to 18,108.27, 27,165.42 and 5,625.36 is: 8,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.27 : 27,165.42 = 5,625.36 : x
  2. Step 2: Convert to fraction form
    18,108.27/27,165.42 = 5,625.36/x
  3. Step 3: Cross multiply
    18,108.27x = 27,165.42 × 5,625.36
  4. Step 4: Simplify right side
    18,108.27x = 152,815,267.05
  5. Step 5: Solve for x
    x = 152,815,267.05/18,108.27
  6. Step 6: Final answer
    x = 8,438.98

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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.