Home / 18,399.72-27,608.06-14,233.47

Finding the Fourth Proportional to 18,399.72, 27,608.06 and 14,233.47

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Solution

The fourth proportional to 18,399.72, 27,608.06 and 14,233.47 is: 21,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.72 : 27,608.06 = 14,233.47 : x
  2. Step 2: Convert to fraction form
    18,399.72/27,608.06 = 14,233.47/x
  3. Step 3: Cross multiply
    18,399.72x = 27,608.06 × 14,233.47
  4. Step 4: Simplify right side
    18,399.72x = 392,958,422.60
  5. Step 5: Solve for x
    x = 392,958,422.60/18,399.72
  6. Step 6: Final answer
    x = 21,356.76

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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.