Home / 18,146.46-27,230.27-7,615.59

Finding the Fourth Proportional to 18,146.46, 27,230.27 and 7,615.59

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Solution

The fourth proportional to 18,146.46, 27,230.27 and 7,615.59 is: 11,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.46 : 27,230.27 = 7,615.59 : x
  2. Step 2: Convert to fraction form
    18,146.46/27,230.27 = 7,615.59/x
  3. Step 3: Cross multiply
    18,146.46x = 27,230.27 × 7,615.59
  4. Step 4: Simplify right side
    18,146.46x = 207,374,571.91
  5. Step 5: Solve for x
    x = 207,374,571.91/18,146.46
  6. Step 6: Final answer
    x = 11,427.83

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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.