Home / 18,190.02-27,245.48-11,148.78

Finding the Fourth Proportional to 18,190.02, 27,245.48 and 11,148.78

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Solution

The fourth proportional to 18,190.02, 27,245.48 and 11,148.78 is: 16,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.02 : 27,245.48 = 11,148.78 : x
  2. Step 2: Convert to fraction form
    18,190.02/27,245.48 = 11,148.78/x
  3. Step 3: Cross multiply
    18,190.02x = 27,245.48 × 11,148.78
  4. Step 4: Simplify right side
    18,190.02x = 303,753,862.51
  5. Step 5: Solve for x
    x = 303,753,862.51/18,190.02
  6. Step 6: Final answer
    x = 16,698.93

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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.