Home / 18,282.09-27,415.38-7,187.01

Finding the Fourth Proportional to 18,282.09, 27,415.38 and 7,187.01

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Solution

The fourth proportional to 18,282.09, 27,415.38 and 7,187.01 is: 10,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.09 : 27,415.38 = 7,187.01 : x
  2. Step 2: Convert to fraction form
    18,282.09/27,415.38 = 7,187.01/x
  3. Step 3: Cross multiply
    18,282.09x = 27,415.38 × 7,187.01
  4. Step 4: Simplify right side
    18,282.09x = 197,034,610.21
  5. Step 5: Solve for x
    x = 197,034,610.21/18,282.09
  6. Step 6: Final answer
    x = 10,777.47

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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.