Home / 18,553.86-27,835.38-5,406.35

Finding the Fourth Proportional to 18,553.86, 27,835.38 and 5,406.35

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Solution

The fourth proportional to 18,553.86, 27,835.38 and 5,406.35 is: 8,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.86 : 27,835.38 = 5,406.35 : x
  2. Step 2: Convert to fraction form
    18,553.86/27,835.38 = 5,406.35/x
  3. Step 3: Cross multiply
    18,553.86x = 27,835.38 × 5,406.35
  4. Step 4: Simplify right side
    18,553.86x = 150,487,667.49
  5. Step 5: Solve for x
    x = 150,487,667.49/18,553.86
  6. Step 6: Final answer
    x = 8,110.85

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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.