Home / 18,273.09-27,410.20-5,125.48

Finding the Fourth Proportional to 18,273.09, 27,410.20 and 5,125.48

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Solution

The fourth proportional to 18,273.09, 27,410.20 and 5,125.48 is: 7,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.09 : 27,410.20 = 5,125.48 : x
  2. Step 2: Convert to fraction form
    18,273.09/27,410.20 = 5,125.48/x
  3. Step 3: Cross multiply
    18,273.09x = 27,410.20 × 5,125.48
  4. Step 4: Simplify right side
    18,273.09x = 140,490,350.56
  5. Step 5: Solve for x
    x = 140,490,350.56/18,273.09
  6. Step 6: Final answer
    x = 7,688.37

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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.