Home / 18,381.85-27,586.68-13,464.27

Finding the Fourth Proportional to 18,381.85, 27,586.68 and 13,464.27

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Solution

The fourth proportional to 18,381.85, 27,586.68 and 13,464.27 is: 20,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.85 : 27,586.68 = 13,464.27 : x
  2. Step 2: Convert to fraction form
    18,381.85/27,586.68 = 13,464.27/x
  3. Step 3: Cross multiply
    18,381.85x = 27,586.68 × 13,464.27
  4. Step 4: Simplify right side
    18,381.85x = 371,434,576.89
  5. Step 5: Solve for x
    x = 371,434,576.89/18,381.85
  6. Step 6: Final answer
    x = 20,206.59

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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.