Home / 18,817.37-28,220.79-5,667.83

Finding the Fourth Proportional to 18,817.37, 28,220.79 and 5,667.83

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Solution

The fourth proportional to 18,817.37, 28,220.79 and 5,667.83 is: 8,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.37 : 28,220.79 = 5,667.83 : x
  2. Step 2: Convert to fraction form
    18,817.37/28,220.79 = 5,667.83/x
  3. Step 3: Cross multiply
    18,817.37x = 28,220.79 × 5,667.83
  4. Step 4: Simplify right side
    18,817.37x = 159,950,640.19
  5. Step 5: Solve for x
    x = 159,950,640.19/18,817.37
  6. Step 6: Final answer
    x = 8,500.16

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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.