Home / 18,039.60-27,076.25-9,161.26

Finding the Fourth Proportional to 18,039.60, 27,076.25 and 9,161.26

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Solution

The fourth proportional to 18,039.60, 27,076.25 and 9,161.26 is: 13,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.60 : 27,076.25 = 9,161.26 : x
  2. Step 2: Convert to fraction form
    18,039.60/27,076.25 = 9,161.26/x
  3. Step 3: Cross multiply
    18,039.60x = 27,076.25 × 9,161.26
  4. Step 4: Simplify right side
    18,039.60x = 248,052,521.29
  5. Step 5: Solve for x
    x = 248,052,521.29/18,039.60
  6. Step 6: Final answer
    x = 13,750.44

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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.