Home / 18,516.46-27,756.22-11,947.25

Finding the Fourth Proportional to 18,516.46, 27,756.22 and 11,947.25

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Solution

The fourth proportional to 18,516.46, 27,756.22 and 11,947.25 is: 17,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.46 : 27,756.22 = 11,947.25 : x
  2. Step 2: Convert to fraction form
    18,516.46/27,756.22 = 11,947.25/x
  3. Step 3: Cross multiply
    18,516.46x = 27,756.22 × 11,947.25
  4. Step 4: Simplify right side
    18,516.46x = 331,610,439.66
  5. Step 5: Solve for x
    x = 331,610,439.66/18,516.46
  6. Step 6: Final answer
    x = 17,908.96

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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.