Home / 18,343.34-27,517.30-5,195.70

Finding the Fourth Proportional to 18,343.34, 27,517.30 and 5,195.70

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Solution

The fourth proportional to 18,343.34, 27,517.30 and 5,195.70 is: 7,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.34 : 27,517.30 = 5,195.70 : x
  2. Step 2: Convert to fraction form
    18,343.34/27,517.30 = 5,195.70/x
  3. Step 3: Cross multiply
    18,343.34x = 27,517.30 × 5,195.70
  4. Step 4: Simplify right side
    18,343.34x = 142,971,635.61
  5. Step 5: Solve for x
    x = 142,971,635.61/18,343.34
  6. Step 6: Final answer
    x = 7,794.20

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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.