Home / 18,220.52-27,328.62-5,740.04

Finding the Fourth Proportional to 18,220.52, 27,328.62 and 5,740.04

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Solution

The fourth proportional to 18,220.52, 27,328.62 and 5,740.04 is: 8,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.52 : 27,328.62 = 5,740.04 : x
  2. Step 2: Convert to fraction form
    18,220.52/27,328.62 = 5,740.04/x
  3. Step 3: Cross multiply
    18,220.52x = 27,328.62 × 5,740.04
  4. Step 4: Simplify right side
    18,220.52x = 156,867,371.94
  5. Step 5: Solve for x
    x = 156,867,371.94/18,220.52
  6. Step 6: Final answer
    x = 8,609.38

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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.