Home / 18,188.85-27,287.39-5,708.83

Finding the Fourth Proportional to 18,188.85, 27,287.39 and 5,708.83

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Solution

The fourth proportional to 18,188.85, 27,287.39 and 5,708.83 is: 8,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.85 : 27,287.39 = 5,708.83 : x
  2. Step 2: Convert to fraction form
    18,188.85/27,287.39 = 5,708.83/x
  3. Step 3: Cross multiply
    18,188.85x = 27,287.39 × 5,708.83
  4. Step 4: Simplify right side
    18,188.85x = 155,778,973.89
  5. Step 5: Solve for x
    x = 155,778,973.89/18,188.85
  6. Step 6: Final answer
    x = 8,564.53

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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.