Home / 18,190.06-27,299.67-9,427.48

Finding the Fourth Proportional to 18,190.06, 27,299.67 and 9,427.48

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Solution

The fourth proportional to 18,190.06, 27,299.67 and 9,427.48 is: 14,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.06 : 27,299.67 = 9,427.48 : x
  2. Step 2: Convert to fraction form
    18,190.06/27,299.67 = 9,427.48/x
  3. Step 3: Cross multiply
    18,190.06x = 27,299.67 × 9,427.48
  4. Step 4: Simplify right side
    18,190.06x = 257,366,989.33
  5. Step 5: Solve for x
    x = 257,366,989.33/18,190.06
  6. Step 6: Final answer
    x = 14,148.77

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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.