Home / 18,113.37-27,140.88-11,173.29

Finding the Fourth Proportional to 18,113.37, 27,140.88 and 11,173.29

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Solution

The fourth proportional to 18,113.37, 27,140.88 and 11,173.29 is: 16,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.37 : 27,140.88 = 11,173.29 : x
  2. Step 2: Convert to fraction form
    18,113.37/27,140.88 = 11,173.29/x
  3. Step 3: Cross multiply
    18,113.37x = 27,140.88 × 11,173.29
  4. Step 4: Simplify right side
    18,113.37x = 303,252,923.10
  5. Step 5: Solve for x
    x = 303,252,923.10/18,113.37
  6. Step 6: Final answer
    x = 16,741.94

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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.