Home / 18,343.89-27,517.35-5,865.69

Finding the Fourth Proportional to 18,343.89, 27,517.35 and 5,865.69

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Solution

The fourth proportional to 18,343.89, 27,517.35 and 5,865.69 is: 8,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.89 : 27,517.35 = 5,865.69 : x
  2. Step 2: Convert to fraction form
    18,343.89/27,517.35 = 5,865.69/x
  3. Step 3: Cross multiply
    18,343.89x = 27,517.35 × 5,865.69
  4. Step 4: Simplify right side
    18,343.89x = 161,408,244.72
  5. Step 5: Solve for x
    x = 161,408,244.72/18,343.89
  6. Step 6: Final answer
    x = 8,799.02

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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.