Home / 18,180.86-27,227.55-10,365.98

Finding the Fourth Proportional to 18,180.86, 27,227.55 and 10,365.98

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Solution

The fourth proportional to 18,180.86, 27,227.55 and 10,365.98 is: 15,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.86 : 27,227.55 = 10,365.98 : x
  2. Step 2: Convert to fraction form
    18,180.86/27,227.55 = 10,365.98/x
  3. Step 3: Cross multiply
    18,180.86x = 27,227.55 × 10,365.98
  4. Step 4: Simplify right side
    18,180.86x = 282,240,238.75
  5. Step 5: Solve for x
    x = 282,240,238.75/18,180.86
  6. Step 6: Final answer
    x = 15,524.03

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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.