Home / 18,330.45-27,433.37-11,314.91

Finding the Fourth Proportional to 18,330.45, 27,433.37 and 11,314.91

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Solution

The fourth proportional to 18,330.45, 27,433.37 and 11,314.91 is: 16,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.45 : 27,433.37 = 11,314.91 : x
  2. Step 2: Convert to fraction form
    18,330.45/27,433.37 = 11,314.91/x
  3. Step 3: Cross multiply
    18,330.45x = 27,433.37 × 11,314.91
  4. Step 4: Simplify right side
    18,330.45x = 310,405,918.81
  5. Step 5: Solve for x
    x = 310,405,918.81/18,330.45
  6. Step 6: Final answer
    x = 16,933.90

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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.